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Finding the Fourth Proportional to 124,290.52, 171,543.14 and 73,300.12

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Solution

The fourth proportional to 124,290.52, 171,543.14 and 73,300.12 is: 101,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,290.52 : 171,543.14 = 73,300.12 : x
  2. Step 2: Convert to fraction form
    124,290.52/171,543.14 = 73,300.12/x
  3. Step 3: Cross multiply
    124,290.52x = 171,543.14 × 73,300.12
  4. Step 4: Simplify right side
    124,290.52x = 12,574,132,747.18
  5. Step 5: Solve for x
    x = 12,574,132,747.18/124,290.52
  6. Step 6: Final answer
    x = 101,167.27

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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.