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Finding the Fourth Proportional to 59,672.40, 89,537.40 and 42,104.40

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Solution

The fourth proportional to 59,672.40, 89,537.40 and 42,104.40 is: 63,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,672.40 : 89,537.40 = 42,104.40 : x
  2. Step 2: Convert to fraction form
    59,672.40/89,537.40 = 42,104.40/x
  3. Step 3: Cross multiply
    59,672.40x = 89,537.40 × 42,104.40
  4. Step 4: Simplify right side
    59,672.40x = 3,769,918,504.56
  5. Step 5: Solve for x
    x = 3,769,918,504.56/59,672.40
  6. Step 6: Final answer
    x = 63,176.92

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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.