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Finding the Fourth Proportional to 101,065.35, 151,306.43 and 101,065.35

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Solution

The fourth proportional to 101,065.35, 151,306.43 and 101,065.35 is: 151,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,065.35 : 151,306.43 = 101,065.35 : x
  2. Step 2: Convert to fraction form
    101,065.35/151,306.43 = 101,065.35/x
  3. Step 3: Cross multiply
    101,065.35x = 151,306.43 × 101,065.35
  4. Step 4: Simplify right side
    101,065.35x = 15,291,836,799.87
  5. Step 5: Solve for x
    x = 15,291,836,799.87/101,065.35
  6. Step 6: Final answer
    x = 151,306.43

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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.