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Finding the Fourth Proportional to 73,241.55, 109,862.33 and 64,687.95

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Solution

The fourth proportional to 73,241.55, 109,862.33 and 64,687.95 is: 97,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,241.55 : 109,862.33 = 64,687.95 : x
  2. Step 2: Convert to fraction form
    73,241.55/109,862.33 = 64,687.95/x
  3. Step 3: Cross multiply
    73,241.55x = 109,862.33 × 64,687.95
  4. Step 4: Simplify right side
    73,241.55x = 7,106,768,586.48
  5. Step 5: Solve for x
    x = 7,106,768,586.48/73,241.55
  6. Step 6: Final answer
    x = 97,031.93

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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.