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Finding the Fourth Proportional to 127,123.63, 175,357.69 and 79,293.91

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Solution

The fourth proportional to 127,123.63, 175,357.69 and 79,293.91 is: 109,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,123.63 : 175,357.69 = 79,293.91 : x
  2. Step 2: Convert to fraction form
    127,123.63/175,357.69 = 79,293.91/x
  3. Step 3: Cross multiply
    127,123.63x = 175,357.69 × 79,293.91
  4. Step 4: Simplify right side
    127,123.63x = 13,904,796,888.67
  5. Step 5: Solve for x
    x = 13,904,796,888.67/127,123.63
  6. Step 6: Final answer
    x = 109,380.11

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