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Finding the Fourth Proportional to 106,024,712.80, 158,813,120.40 and 106,024,712.80

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Solution

The fourth proportional to 106,024,712.80, 158,813,120.40 and 106,024,712.80 is: 158,813,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,024,712.80 : 158,813,120.40 = 106,024,712.80 : x
  2. Step 2: Convert to fraction form
    106,024,712.80/158,813,120.40 = 106,024,712.80/x
  3. Step 3: Cross multiply
    106,024,712.80x = 158,813,120.40 × 106,024,712.80
  4. Step 4: Simplify right side
    106,024,712.80x = 16,838,115,479,281,822
  5. Step 5: Solve for x
    x = 16,838,115,479,281,822/106,024,712.80
  6. Step 6: Final answer
    x = 158,813,120.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.