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Finding the Fourth Proportional to 101,178.16, 151,843.12 and 38,060.40

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Solution

The fourth proportional to 101,178.16, 151,843.12 and 38,060.40 is: 57,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,178.16 : 151,843.12 = 38,060.40 : x
  2. Step 2: Convert to fraction form
    101,178.16/151,843.12 = 38,060.40/x
  3. Step 3: Cross multiply
    101,178.16x = 151,843.12 × 38,060.40
  4. Step 4: Simplify right side
    101,178.16x = 5,779,209,884.45
  5. Step 5: Solve for x
    x = 5,779,209,884.45/101,178.16
  6. Step 6: Final answer
    x = 57,119.14

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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.