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Finding the Fourth Proportional to 234,326.82, 351,417.60 and 84,547.70

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Solution

The fourth proportional to 234,326.82, 351,417.60 and 84,547.70 is: 126,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,326.82 : 351,417.60 = 84,547.70 : x
  2. Step 2: Convert to fraction form
    234,326.82/351,417.60 = 84,547.70/x
  3. Step 3: Cross multiply
    234,326.82x = 351,417.60 × 84,547.70
  4. Step 4: Simplify right side
    234,326.82x = 29,711,549,819.52
  5. Step 5: Solve for x
    x = 29,711,549,819.52/234,326.82
  6. Step 6: Final answer
    x = 126,795.34

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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.