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Finding the Fourth Proportional to 113,920.18, 157,209.22 and 62,936.41

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Solution

The fourth proportional to 113,920.18, 157,209.22 and 62,936.41 is: 86,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,920.18 : 157,209.22 = 62,936.41 : x
  2. Step 2: Convert to fraction form
    113,920.18/157,209.22 = 62,936.41/x
  3. Step 3: Cross multiply
    113,920.18x = 157,209.22 × 62,936.41
  4. Step 4: Simplify right side
    113,920.18x = 9,894,183,925.70
  5. Step 5: Solve for x
    x = 9,894,183,925.70/113,920.18
  6. Step 6: Final answer
    x = 86,851.90

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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.