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Finding the Fourth Proportional to 173,886.48, 260,701.92 and 55,489.68

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Solution

The fourth proportional to 173,886.48, 260,701.92 and 55,489.68 is: 83,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.48 : 260,701.92 = 55,489.68 : x
  2. Step 2: Convert to fraction form
    173,886.48/260,701.92 = 55,489.68/x
  3. Step 3: Cross multiply
    173,886.48x = 260,701.92 × 55,489.68
  4. Step 4: Simplify right side
    173,886.48x = 14,466,266,116.19
  5. Step 5: Solve for x
    x = 14,466,266,116.19/173,886.48
  6. Step 6: Final answer
    x = 83,193.74

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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.