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Finding the Fourth Proportional to 250,937.60, 346,294.17 and 136,216.13

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Solution

The fourth proportional to 250,937.60, 346,294.17 and 136,216.13 is: 187,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,937.60 : 346,294.17 = 136,216.13 : x
  2. Step 2: Convert to fraction form
    250,937.60/346,294.17 = 136,216.13/x
  3. Step 3: Cross multiply
    250,937.60x = 346,294.17 × 136,216.13
  4. Step 4: Simplify right side
    250,937.60x = 47,170,849,947.49
  5. Step 5: Solve for x
    x = 47,170,849,947.49/250,937.60
  6. Step 6: Final answer
    x = 187,978.41

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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.