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Finding the Fourth Proportional to 173,854.35, 260,713.49 and 61,491.15

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Solution

The fourth proportional to 173,854.35, 260,713.49 and 61,491.15 is: 92,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,854.35 : 260,713.49 = 61,491.15 : x
  2. Step 2: Convert to fraction form
    173,854.35/260,713.49 = 61,491.15/x
  3. Step 3: Cross multiply
    173,854.35x = 260,713.49 × 61,491.15
  4. Step 4: Simplify right side
    173,854.35x = 16,031,572,013.16
  5. Step 5: Solve for x
    x = 16,031,572,013.16/173,854.35
  6. Step 6: Final answer
    x = 92,212.66

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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.