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Finding the Fourth Proportional to 136,064.61, 204,115.39 and 47,306.63

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Solution

The fourth proportional to 136,064.61, 204,115.39 and 47,306.63 is: 70,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,064.61 : 204,115.39 = 47,306.63 : x
  2. Step 2: Convert to fraction form
    136,064.61/204,115.39 = 47,306.63/x
  3. Step 3: Cross multiply
    136,064.61x = 204,115.39 × 47,306.63
  4. Step 4: Simplify right side
    136,064.61x = 9,656,011,232.04
  5. Step 5: Solve for x
    x = 9,656,011,232.04/136,064.61
  6. Step 6: Final answer
    x = 70,966.37

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1.5x scale

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.