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Finding the Fourth Proportional to 124,472.28, 171,794.13 and 73,482.02

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Solution

The fourth proportional to 124,472.28, 171,794.13 and 73,482.02 is: 101,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,472.28 : 171,794.13 = 73,482.02 : x
  2. Step 2: Convert to fraction form
    124,472.28/171,794.13 = 73,482.02/x
  3. Step 3: Cross multiply
    124,472.28x = 171,794.13 × 73,482.02
  4. Step 4: Simplify right side
    124,472.28x = 12,623,779,696.54
  5. Step 5: Solve for x
    x = 12,623,779,696.54/124,472.28
  6. Step 6: Final answer
    x = 101,418.40

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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.