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Finding the Fourth Proportional to 103,737.90, 155,248.45 and 62,214.70

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Solution

The fourth proportional to 103,737.90, 155,248.45 and 62,214.70 is: 93,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,737.90 : 155,248.45 = 62,214.70 : x
  2. Step 2: Convert to fraction form
    103,737.90/155,248.45 = 62,214.70/x
  3. Step 3: Cross multiply
    103,737.90x = 155,248.45 × 62,214.70
  4. Step 4: Simplify right side
    103,737.90x = 9,658,735,742.22
  5. Step 5: Solve for x
    x = 9,658,735,742.22/103,737.90
  6. Step 6: Final answer
    x = 93,107.11

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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.