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Finding the Fourth Proportional to 127,318.98, 175,703.97 and 73,599.24

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Solution

The fourth proportional to 127,318.98, 175,703.97 and 73,599.24 is: 101,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,318.98 : 175,703.97 = 73,599.24 : x
  2. Step 2: Convert to fraction form
    127,318.98/175,703.97 = 73,599.24/x
  3. Step 3: Cross multiply
    127,318.98x = 175,703.97 × 73,599.24
  4. Step 4: Simplify right side
    127,318.98x = 12,931,678,656.98
  5. Step 5: Solve for x
    x = 12,931,678,656.98/127,318.98
  6. Step 6: Final answer
    x = 101,569.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.