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Finding the Fourth Proportional to 250,165.55, 375,318.47 and 100,510.92

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Solution

The fourth proportional to 250,165.55, 375,318.47 and 100,510.92 is: 150,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,165.55 : 375,318.47 = 100,510.92 : x
  2. Step 2: Convert to fraction form
    250,165.55/375,318.47 = 100,510.92/x
  3. Step 3: Cross multiply
    250,165.55x = 375,318.47 × 100,510.92
  4. Step 4: Simplify right side
    250,165.55x = 37,723,604,963.97
  5. Step 5: Solve for x
    x = 37,723,604,963.97/250,165.55
  6. Step 6: Final answer
    x = 150,794.56

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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.