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Finding the Fourth Proportional to 173,766.64, 260,645.40 and 55,445.20

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Solution

The fourth proportional to 173,766.64, 260,645.40 and 55,445.20 is: 83,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,766.64 : 260,645.40 = 55,445.20 : x
  2. Step 2: Convert to fraction form
    173,766.64/260,645.40 = 55,445.20/x
  3. Step 3: Cross multiply
    173,766.64x = 260,645.40 × 55,445.20
  4. Step 4: Simplify right side
    173,766.64x = 14,451,536,332.08
  5. Step 5: Solve for x
    x = 14,451,536,332.08/173,766.64
  6. Step 6: Final answer
    x = 83,166.35

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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.