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Finding the Fourth Proportional to 154,770.66, 232,221.60 and 84,567.96

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Solution

The fourth proportional to 154,770.66, 232,221.60 and 84,567.96 is: 126,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,770.66 : 232,221.60 = 84,567.96 : x
  2. Step 2: Convert to fraction form
    154,770.66/232,221.60 = 84,567.96/x
  3. Step 3: Cross multiply
    154,770.66x = 232,221.60 × 84,567.96
  4. Step 4: Simplify right side
    154,770.66x = 19,638,506,979.94
  5. Step 5: Solve for x
    x = 19,638,506,979.94/154,770.66
  6. Step 6: Final answer
    x = 126,887.79

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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.