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Finding the Fourth Proportional to 250,463.95, 375,700.03 and 72,980.71

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Solution

The fourth proportional to 250,463.95, 375,700.03 and 72,980.71 is: 109,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,463.95 : 375,700.03 = 72,980.71 : x
  2. Step 2: Convert to fraction form
    250,463.95/375,700.03 = 72,980.71/x
  3. Step 3: Cross multiply
    250,463.95x = 375,700.03 × 72,980.71
  4. Step 4: Simplify right side
    250,463.95x = 27,418,853,814.72
  5. Step 5: Solve for x
    x = 27,418,853,814.72/250,463.95
  6. Step 6: Final answer
    x = 109,472.26

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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.