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Finding the Fourth Proportional to 251,084.88, 346,498.08 and 136,363.68

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Solution

The fourth proportional to 251,084.88, 346,498.08 and 136,363.68 is: 188,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,084.88 : 346,498.08 = 136,363.68 : x
  2. Step 2: Convert to fraction form
    251,084.88/346,498.08 = 136,363.68/x
  3. Step 3: Cross multiply
    251,084.88x = 346,498.08 × 136,363.68
  4. Step 4: Simplify right side
    251,084.88x = 47,249,753,301.73
  5. Step 5: Solve for x
    x = 47,249,753,301.73/251,084.88
  6. Step 6: Final answer
    x = 188,182.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.