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Finding the Fourth Proportional to 126,288.03, 174,277.13 and 69,699

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Solution

The fourth proportional to 126,288.03, 174,277.13 and 69,699 is: 96,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.03 : 174,277.13 = 69,699 : x
  2. Step 2: Convert to fraction form
    126,288.03/174,277.13 = 69,699/x
  3. Step 3: Cross multiply
    126,288.03x = 174,277.13 × 69,699
  4. Step 4: Simplify right side
    126,288.03x = 12,146,941,335.38
  5. Step 5: Solve for x
    x = 12,146,941,335.38/126,288.03
  6. Step 6: Final answer
    x = 96,184.42

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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.