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Finding the Fourth Proportional to 93,634.12, 140,373.42 and 65,473.68

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Solution

The fourth proportional to 93,634.12, 140,373.42 and 65,473.68 is: 98,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,634.12 : 140,373.42 = 65,473.68 : x
  2. Step 2: Convert to fraction form
    93,634.12/140,373.42 = 65,473.68/x
  3. Step 3: Cross multiply
    93,634.12x = 140,373.42 × 65,473.68
  4. Step 4: Simplify right side
    93,634.12x = 9,190,764,381.59
  5. Step 5: Solve for x
    x = 9,190,764,381.59/93,634.12
  6. Step 6: Final answer
    x = 98,156.15

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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.