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Finding the Fourth Proportional to 88,866.96, 133,207.56 and 42,064.08

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Solution

The fourth proportional to 88,866.96, 133,207.56 and 42,064.08 is: 63,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,866.96 : 133,207.56 = 42,064.08 : x
  2. Step 2: Convert to fraction form
    88,866.96/133,207.56 = 42,064.08/x
  3. Step 3: Cross multiply
    88,866.96x = 133,207.56 × 42,064.08
  4. Step 4: Simplify right side
    88,866.96x = 5,603,253,460.44
  5. Step 5: Solve for x
    x = 5,603,253,460.44/88,866.96
  6. Step 6: Final answer
    x = 63,052.16

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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.