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Finding the Fourth Proportional to 106,555.77, 147,046.23 and 58,809.11

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Solution

The fourth proportional to 106,555.77, 147,046.23 and 58,809.11 is: 81,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,555.77 : 147,046.23 = 58,809.11 : x
  2. Step 2: Convert to fraction form
    106,555.77/147,046.23 = 58,809.11/x
  3. Step 3: Cross multiply
    106,555.77x = 147,046.23 × 58,809.11
  4. Step 4: Simplify right side
    106,555.77x = 8,647,658,658.39
  5. Step 5: Solve for x
    x = 8,647,658,658.39/106,555.77
  6. Step 6: Final answer
    x = 81,156.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.