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Finding the Fourth Proportional to 93,246.96, 139,645.80 and 58,142.64

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Solution

The fourth proportional to 93,246.96, 139,645.80 and 58,142.64 is: 87,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,246.96 : 139,645.80 = 58,142.64 : x
  2. Step 2: Convert to fraction form
    93,246.96/139,645.80 = 58,142.64/x
  3. Step 3: Cross multiply
    93,246.96x = 139,645.80 × 58,142.64
  4. Step 4: Simplify right side
    93,246.96x = 8,119,375,476.91
  5. Step 5: Solve for x
    x = 8,119,375,476.91/93,246.96
  6. Step 6: Final answer
    x = 87,073.89

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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.