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Finding the Fourth Proportional to 170,491.92, 255,686.04 and 59,658

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Solution

The fourth proportional to 170,491.92, 255,686.04 and 59,658 is: 89,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,491.92 : 255,686.04 = 59,658 : x
  2. Step 2: Convert to fraction form
    170,491.92/255,686.04 = 59,658/x
  3. Step 3: Cross multiply
    170,491.92x = 255,686.04 × 59,658
  4. Step 4: Simplify right side
    170,491.92x = 15,253,717,774.32
  5. Step 5: Solve for x
    x = 15,253,717,774.32/170,491.92
  6. Step 6: Final answer
    x = 89,468.86

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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.