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Finding the Fourth Proportional to 361,762.20, 542,696.76 and 125,041.32

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Solution

The fourth proportional to 361,762.20, 542,696.76 and 125,041.32 is: 187,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,762.20 : 542,696.76 = 125,041.32 : x
  2. Step 2: Convert to fraction form
    361,762.20/542,696.76 = 125,041.32/x
  3. Step 3: Cross multiply
    361,762.20x = 542,696.76 × 125,041.32
  4. Step 4: Simplify right side
    361,762.20x = 67,859,519,230.12
  5. Step 5: Solve for x
    x = 67,859,519,230.12/361,762.20
  6. Step 6: Final answer
    x = 187,580.46

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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.