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Finding the Fourth Proportional to 127,592.54, 176,066.25 and 73,881.20

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Solution

The fourth proportional to 127,592.54, 176,066.25 and 73,881.20 is: 101,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,592.54 : 176,066.25 = 73,881.20 : x
  2. Step 2: Convert to fraction form
    127,592.54/176,066.25 = 73,881.20/x
  3. Step 3: Cross multiply
    127,592.54x = 176,066.25 × 73,881.20
  4. Step 4: Simplify right side
    127,592.54x = 13,007,985,829.50
  5. Step 5: Solve for x
    x = 13,007,985,829.50/127,592.54
  6. Step 6: Final answer
    x = 101,949.42

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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.