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Finding the Fourth Proportional to 176,656.80, 264,639.60 and 106,327.20

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Solution

The fourth proportional to 176,656.80, 264,639.60 and 106,327.20 is: 159,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,656.80 : 264,639.60 = 106,327.20 : x
  2. Step 2: Convert to fraction form
    176,656.80/264,639.60 = 106,327.20/x
  3. Step 3: Cross multiply
    176,656.80x = 264,639.60 × 106,327.20
  4. Step 4: Simplify right side
    176,656.80x = 28,138,387,677.12
  5. Step 5: Solve for x
    x = 28,138,387,677.12/176,656.80
  6. Step 6: Final answer
    x = 159,282.79

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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.