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Finding the Fourth Proportional to 101,101.40, 151,671.53 and 38,767.04

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Solution

The fourth proportional to 101,101.40, 151,671.53 and 38,767.04 is: 58,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,101.40 : 151,671.53 = 38,767.04 : x
  2. Step 2: Convert to fraction form
    101,101.40/151,671.53 = 38,767.04/x
  3. Step 3: Cross multiply
    101,101.40x = 151,671.53 × 38,767.04
  4. Step 4: Simplify right side
    101,101.40x = 5,879,855,318.18
  5. Step 5: Solve for x
    x = 5,879,855,318.18/101,101.40
  6. Step 6: Final answer
    x = 58,158.00

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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.