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Finding the Fourth Proportional to 67,937.60, 102,003.60 and 48,303.20

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Solution

The fourth proportional to 67,937.60, 102,003.60 and 48,303.20 is: 72,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.60 : 102,003.60 = 48,303.20 : x
  2. Step 2: Convert to fraction form
    67,937.60/102,003.60 = 48,303.20/x
  3. Step 3: Cross multiply
    67,937.60x = 102,003.60 × 48,303.20
  4. Step 4: Simplify right side
    67,937.60x = 4,927,100,291.52
  5. Step 5: Solve for x
    x = 4,927,100,291.52/67,937.60
  6. Step 6: Final answer
    x = 72,523.91

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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.