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Finding the Fourth Proportional to 347,693.96, 521,459.11 and 94,914.36

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Solution

The fourth proportional to 347,693.96, 521,459.11 and 94,914.36 is: 142,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,693.96 : 521,459.11 = 94,914.36 : x
  2. Step 2: Convert to fraction form
    347,693.96/521,459.11 = 94,914.36/x
  3. Step 3: Cross multiply
    347,693.96x = 521,459.11 × 94,914.36
  4. Step 4: Simplify right side
    347,693.96x = 49,493,957,454.53
  5. Step 5: Solve for x
    x = 49,493,957,454.53/347,693.96
  6. Step 6: Final answer
    x = 142,349.20

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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.