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Finding the Fourth Proportional to 122,585.40, 183,878.10 and 107,033.40

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Solution

The fourth proportional to 122,585.40, 183,878.10 and 107,033.40 is: 160,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,585.40 : 183,878.10 = 107,033.40 : x
  2. Step 2: Convert to fraction form
    122,585.40/183,878.10 = 107,033.40/x
  3. Step 3: Cross multiply
    122,585.40x = 183,878.10 × 107,033.40
  4. Step 4: Simplify right side
    122,585.40x = 19,681,098,228.54
  5. Step 5: Solve for x
    x = 19,681,098,228.54/122,585.40
  6. Step 6: Final answer
    x = 160,550.10

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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.