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Finding the Fourth Proportional to 93,167.76, 139,809.08 and 59,909.04

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Solution

The fourth proportional to 93,167.76, 139,809.08 and 59,909.04 is: 89,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,167.76 : 139,809.08 = 59,909.04 : x
  2. Step 2: Convert to fraction form
    93,167.76/139,809.08 = 59,909.04/x
  3. Step 3: Cross multiply
    93,167.76x = 139,809.08 × 59,909.04
  4. Step 4: Simplify right side
    93,167.76x = 8,375,827,766.08
  5. Step 5: Solve for x
    x = 8,375,827,766.08/93,167.76
  6. Step 6: Final answer
    x = 89,900.50

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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.