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Finding the Fourth Proportional to 250,888.62, 346,223.35 and 136,167.47

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Solution

The fourth proportional to 250,888.62, 346,223.35 and 136,167.47 is: 187,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,888.62 : 346,223.35 = 136,167.47 : x
  2. Step 2: Convert to fraction form
    250,888.62/346,223.35 = 136,167.47/x
  3. Step 3: Cross multiply
    250,888.62x = 346,223.35 × 136,167.47
  4. Step 4: Simplify right side
    250,888.62x = 47,144,357,624.42
  5. Step 5: Solve for x
    x = 47,144,357,624.42/250,888.62
  6. Step 6: Final answer
    x = 187,909.51

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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.