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Finding the Fourth Proportional to 135,797.01, 187,397.06 and 75,364.14

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Solution

The fourth proportional to 135,797.01, 187,397.06 and 75,364.14 is: 104,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,797.01 : 187,397.06 = 75,364.14 : x
  2. Step 2: Convert to fraction form
    135,797.01/187,397.06 = 75,364.14/x
  3. Step 3: Cross multiply
    135,797.01x = 187,397.06 × 75,364.14
  4. Step 4: Simplify right side
    135,797.01x = 14,123,017,888.61
  5. Step 5: Solve for x
    x = 14,123,017,888.61/135,797.01
  6. Step 6: Final answer
    x = 104,000.95

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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.