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Finding the Fourth Proportional to 72,246.99, 108,343.60 and 24,848.78

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Solution

The fourth proportional to 72,246.99, 108,343.60 and 24,848.78 is: 37,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,246.99 : 108,343.60 = 24,848.78 : x
  2. Step 2: Convert to fraction form
    72,246.99/108,343.60 = 24,848.78/x
  3. Step 3: Cross multiply
    72,246.99x = 108,343.60 × 24,848.78
  4. Step 4: Simplify right side
    72,246.99x = 2,692,205,746.86
  5. Step 5: Solve for x
    x = 2,692,205,746.86/72,246.99
  6. Step 6: Final answer
    x = 37,263.92

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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.