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Finding the Fourth Proportional to 125,866.56, 173,694.48 and 69,276.72

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Solution

The fourth proportional to 125,866.56, 173,694.48 and 69,276.72 is: 95,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,866.56 : 173,694.48 = 69,276.72 : x
  2. Step 2: Convert to fraction form
    125,866.56/173,694.48 = 69,276.72/x
  3. Step 3: Cross multiply
    125,866.56x = 173,694.48 × 69,276.72
  4. Step 4: Simplify right side
    125,866.56x = 12,032,983,856.51
  5. Step 5: Solve for x
    x = 12,032,983,856.51/125,866.56
  6. Step 6: Final answer
    x = 95,601.12

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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.