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Finding the Fourth Proportional to 173,677.60, 260,530.80 and 55,345.60

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Solution

The fourth proportional to 173,677.60, 260,530.80 and 55,345.60 is: 83,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,677.60 : 260,530.80 = 55,345.60 : x
  2. Step 2: Convert to fraction form
    173,677.60/260,530.80 = 55,345.60/x
  3. Step 3: Cross multiply
    173,677.60x = 260,530.80 × 55,345.60
  4. Step 4: Simplify right side
    173,677.60x = 14,419,233,444.48
  5. Step 5: Solve for x
    x = 14,419,233,444.48/173,677.60
  6. Step 6: Final answer
    x = 83,022.99

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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.