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Finding the Fourth Proportional to 127,695.60, 176,222.52 and 73,998

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Solution

The fourth proportional to 127,695.60, 176,222.52 and 73,998 is: 102,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,695.60 : 176,222.52 = 73,998 : x
  2. Step 2: Convert to fraction form
    127,695.60/176,222.52 = 73,998/x
  3. Step 3: Cross multiply
    127,695.60x = 176,222.52 × 73,998
  4. Step 4: Simplify right side
    127,695.60x = 13,040,114,034.96
  5. Step 5: Solve for x
    x = 13,040,114,034.96/127,695.60
  6. Step 6: Final answer
    x = 102,118.74

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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.