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Finding the Fourth Proportional to 220,936.50, 304,892.98 and 125,458.16

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Solution

The fourth proportional to 220,936.50, 304,892.98 and 125,458.16 is: 173,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,936.50 : 304,892.98 = 125,458.16 : x
  2. Step 2: Convert to fraction form
    220,936.50/304,892.98 = 125,458.16/x
  3. Step 3: Cross multiply
    220,936.50x = 304,892.98 × 125,458.16
  4. Step 4: Simplify right side
    220,936.50x = 38,251,310,429.61
  5. Step 5: Solve for x
    x = 38,251,310,429.61/220,936.50
  6. Step 6: Final answer
    x = 173,132.60

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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.