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Finding the Fourth Proportional to 173,877.81, 260,823.20 and 61,569.87

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Solution

The fourth proportional to 173,877.81, 260,823.20 and 61,569.87 is: 92,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,877.81 : 260,823.20 = 61,569.87 : x
  2. Step 2: Convert to fraction form
    173,877.81/260,823.20 = 61,569.87/x
  3. Step 3: Cross multiply
    173,877.81x = 260,823.20 × 61,569.87
  4. Step 4: Simplify right side
    173,877.81x = 16,058,850,209.13
  5. Step 5: Solve for x
    x = 16,058,850,209.13/173,877.81
  6. Step 6: Final answer
    x = 92,357.10

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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.