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Finding the Fourth Proportional to 101,463.48, 152,170.56 and 42,266.88

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Solution

The fourth proportional to 101,463.48, 152,170.56 and 42,266.88 is: 63,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,463.48 : 152,170.56 = 42,266.88 : x
  2. Step 2: Convert to fraction form
    101,463.48/152,170.56 = 42,266.88/x
  3. Step 3: Cross multiply
    101,463.48x = 152,170.56 × 42,266.88
  4. Step 4: Simplify right side
    101,463.48x = 6,431,774,799.05
  5. Step 5: Solve for x
    x = 6,431,774,799.05/101,463.48
  6. Step 6: Final answer
    x = 63,390.05

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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.