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Finding the Fourth Proportional to 93,124.65, 139,708.67 and 26,565.69

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Solution

The fourth proportional to 93,124.65, 139,708.67 and 26,565.69 is: 39,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,124.65 : 139,708.67 = 26,565.69 : x
  2. Step 2: Convert to fraction form
    93,124.65/139,708.67 = 26,565.69/x
  3. Step 3: Cross multiply
    93,124.65x = 139,708.67 × 26,565.69
  4. Step 4: Simplify right side
    93,124.65x = 3,711,457,084.70
  5. Step 5: Solve for x
    x = 3,711,457,084.70/93,124.65
  6. Step 6: Final answer
    x = 39,854.72

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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.