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Finding the Fourth Proportional to 170,987.25, 256,484.52 and 58,666.98

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Solution

The fourth proportional to 170,987.25, 256,484.52 and 58,666.98 is: 88,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,987.25 : 256,484.52 = 58,666.98 : x
  2. Step 2: Convert to fraction form
    170,987.25/256,484.52 = 58,666.98/x
  3. Step 3: Cross multiply
    170,987.25x = 256,484.52 × 58,666.98
  4. Step 4: Simplify right side
    170,987.25x = 15,047,172,205.15
  5. Step 5: Solve for x
    x = 15,047,172,205.15/170,987.25
  6. Step 6: Final answer
    x = 88,001.72

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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.