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Finding the Fourth Proportional to 113,908.76, 157,193.10 and 62,925.05

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Solution

The fourth proportional to 113,908.76, 157,193.10 and 62,925.05 is: 86,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,908.76 : 157,193.10 = 62,925.05 : x
  2. Step 2: Convert to fraction form
    113,908.76/157,193.10 = 62,925.05/x
  3. Step 3: Cross multiply
    113,908.76x = 157,193.10 × 62,925.05
  4. Step 4: Simplify right side
    113,908.76x = 9,891,383,834.47
  5. Step 5: Solve for x
    x = 9,891,383,834.47/113,908.76
  6. Step 6: Final answer
    x = 86,836.02

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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.