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Finding the Fourth Proportional to 162,510.11, 224,275.41 and 90,896.79

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Solution

The fourth proportional to 162,510.11, 224,275.41 and 90,896.79 is: 125,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,510.11 : 224,275.41 = 90,896.79 : x
  2. Step 2: Convert to fraction form
    162,510.11/224,275.41 = 90,896.79/x
  3. Step 3: Cross multiply
    162,510.11x = 224,275.41 × 90,896.79
  4. Step 4: Simplify right side
    162,510.11x = 20,385,914,844.93
  5. Step 5: Solve for x
    x = 20,385,914,844.93/162,510.11
  6. Step 6: Final answer
    x = 125,443.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.