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Finding the Fourth Proportional to 173,700.60, 260,565.30 and 55,368.60

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Solution

The fourth proportional to 173,700.60, 260,565.30 and 55,368.60 is: 83,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,700.60 : 260,565.30 = 55,368.60 : x
  2. Step 2: Convert to fraction form
    173,700.60/260,565.30 = 55,368.60/x
  3. Step 3: Cross multiply
    173,700.60x = 260,565.30 × 55,368.60
  4. Step 4: Simplify right side
    173,700.60x = 14,427,135,869.58
  5. Step 5: Solve for x
    x = 14,427,135,869.58/173,700.60
  6. Step 6: Final answer
    x = 83,057.49

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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.