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Finding the Fourth Proportional to 361,307.16, 542,209.50 and 124,650.06

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Solution

The fourth proportional to 361,307.16, 542,209.50 and 124,650.06 is: 187,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,307.16 : 542,209.50 = 124,650.06 : x
  2. Step 2: Convert to fraction form
    361,307.16/542,209.50 = 124,650.06/x
  3. Step 3: Cross multiply
    361,307.16x = 542,209.50 × 124,650.06
  4. Step 4: Simplify right side
    361,307.16x = 67,586,446,707.57
  5. Step 5: Solve for x
    x = 67,586,446,707.57/361,307.16
  6. Step 6: Final answer
    x = 187,060.91

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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.