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Finding the Fourth Proportional to 93,699.74, 140,487.34 and 51,599.66

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Solution

The fourth proportional to 93,699.74, 140,487.34 and 51,599.66 is: 77,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,699.74 : 140,487.34 = 51,599.66 : x
  2. Step 2: Convert to fraction form
    93,699.74/140,487.34 = 51,599.66/x
  3. Step 3: Cross multiply
    93,699.74x = 140,487.34 × 51,599.66
  4. Step 4: Simplify right side
    93,699.74x = 7,249,098,978.30
  5. Step 5: Solve for x
    x = 7,249,098,978.30/93,699.74
  6. Step 6: Final answer
    x = 77,365.20

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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.