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Finding the Fourth Proportional to 123,952.29, 171,050.61 and 70,254.66

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Solution

The fourth proportional to 123,952.29, 171,050.61 and 70,254.66 is: 96,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,952.29 : 171,050.61 = 70,254.66 : x
  2. Step 2: Convert to fraction form
    123,952.29/171,050.61 = 70,254.66/x
  3. Step 3: Cross multiply
    123,952.29x = 171,050.61 × 70,254.66
  4. Step 4: Simplify right side
    123,952.29x = 12,017,102,448.34
  5. Step 5: Solve for x
    x = 12,017,102,448.34/123,952.29
  6. Step 6: Final answer
    x = 96,949.42

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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.