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Finding the Fourth Proportional to 126,854.29, 175,051.41 and 69,482.17

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Solution

The fourth proportional to 126,854.29, 175,051.41 and 69,482.17 is: 95,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,854.29 : 175,051.41 = 69,482.17 : x
  2. Step 2: Convert to fraction form
    126,854.29/175,051.41 = 69,482.17/x
  3. Step 3: Cross multiply
    126,854.29x = 175,051.41 × 69,482.17
  4. Step 4: Simplify right side
    126,854.29x = 12,162,951,828.36
  5. Step 5: Solve for x
    x = 12,162,951,828.36/126,854.29
  6. Step 6: Final answer
    x = 95,881.28

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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.