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Finding the Fourth Proportional to 232,488.80, 348,646.80 and 92,218.40

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Solution

The fourth proportional to 232,488.80, 348,646.80 and 92,218.40 is: 138,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,488.80 : 348,646.80 = 92,218.40 : x
  2. Step 2: Convert to fraction form
    232,488.80/348,646.80 = 92,218.40/x
  3. Step 3: Cross multiply
    232,488.80x = 348,646.80 × 92,218.40
  4. Step 4: Simplify right side
    232,488.80x = 32,151,650,061.12
  5. Step 5: Solve for x
    x = 32,151,650,061.12/232,488.80
  6. Step 6: Final answer
    x = 138,293.33

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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.