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Finding the Fourth Proportional to 72,335.66, 108,473.03 and 27,349.40

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Solution

The fourth proportional to 72,335.66, 108,473.03 and 27,349.40 is: 41,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,335.66 : 108,473.03 = 27,349.40 : x
  2. Step 2: Convert to fraction form
    72,335.66/108,473.03 = 27,349.40/x
  3. Step 3: Cross multiply
    72,335.66x = 108,473.03 × 27,349.40
  4. Step 4: Simplify right side
    72,335.66x = 2,966,671,607.57
  5. Step 5: Solve for x
    x = 2,966,671,607.57/72,335.66
  6. Step 6: Final answer
    x = 41,012.58

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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.