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Finding the Fourth Proportional to 97,487.55, 146,241.05 and 35,143.47

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Solution

The fourth proportional to 97,487.55, 146,241.05 and 35,143.47 is: 52,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,487.55 : 146,241.05 = 35,143.47 : x
  2. Step 2: Convert to fraction form
    97,487.55/146,241.05 = 35,143.47/x
  3. Step 3: Cross multiply
    97,487.55x = 146,241.05 × 35,143.47
  4. Step 4: Simplify right side
    97,487.55x = 5,139,417,777.73
  5. Step 5: Solve for x
    x = 5,139,417,777.73/97,487.55
  6. Step 6: Final answer
    x = 52,718.71

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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.