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Finding the Fourth Proportional to 73,374.40, 110,124.48 and 72,822.16

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Solution

The fourth proportional to 73,374.40, 110,124.48 and 72,822.16 is: 109,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,374.40 : 110,124.48 = 72,822.16 : x
  2. Step 2: Convert to fraction form
    73,374.40/110,124.48 = 72,822.16/x
  3. Step 3: Cross multiply
    73,374.40x = 110,124.48 × 72,822.16
  4. Step 4: Simplify right side
    73,374.40x = 8,019,502,502.48
  5. Step 5: Solve for x
    x = 8,019,502,502.48/73,374.40
  6. Step 6: Final answer
    x = 109,295.65

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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.