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Finding the Fourth Proportional to 60,203.20, 90,337.20 and 51,477.88

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Solution

The fourth proportional to 60,203.20, 90,337.20 and 51,477.88 is: 77,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,203.20 : 90,337.20 = 51,477.88 : x
  2. Step 2: Convert to fraction form
    60,203.20/90,337.20 = 51,477.88/x
  3. Step 3: Cross multiply
    60,203.20x = 90,337.20 × 51,477.88
  4. Step 4: Simplify right side
    60,203.20x = 4,650,367,541.14
  5. Step 5: Solve for x
    x = 4,650,367,541.14/60,203.20
  6. Step 6: Final answer
    x = 77,244.52

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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.