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Finding the Fourth Proportional to 93,337.30, 139,920.90 and 34,158.70

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Solution

The fourth proportional to 93,337.30, 139,920.90 and 34,158.70 is: 51,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,337.30 : 139,920.90 = 34,158.70 : x
  2. Step 2: Convert to fraction form
    93,337.30/139,920.90 = 34,158.70/x
  3. Step 3: Cross multiply
    93,337.30x = 139,920.90 × 34,158.70
  4. Step 4: Simplify right side
    93,337.30x = 4,779,516,046.83
  5. Step 5: Solve for x
    x = 4,779,516,046.83/93,337.30
  6. Step 6: Final answer
    x = 51,206.92

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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.