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Finding the Fourth Proportional to 144,079.56, 215,937.55 and 73,020.06

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Solution

The fourth proportional to 144,079.56, 215,937.55 and 73,020.06 is: 109,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,079.56 : 215,937.55 = 73,020.06 : x
  2. Step 2: Convert to fraction form
    144,079.56/215,937.55 = 73,020.06/x
  3. Step 3: Cross multiply
    144,079.56x = 215,937.55 × 73,020.06
  4. Step 4: Simplify right side
    144,079.56x = 15,767,771,930.47
  5. Step 5: Solve for x
    x = 15,767,771,930.47/144,079.56
  6. Step 6: Final answer
    x = 109,437.95

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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.