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Finding the Fourth Proportional to 125,866.14, 173,695.17 and 69,277.51

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Solution

The fourth proportional to 125,866.14, 173,695.17 and 69,277.51 is: 95,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,866.14 : 173,695.17 = 69,277.51 : x
  2. Step 2: Convert to fraction form
    125,866.14/173,695.17 = 69,277.51/x
  3. Step 3: Cross multiply
    125,866.14x = 173,695.17 × 69,277.51
  4. Step 4: Simplify right side
    125,866.14x = 12,033,168,876.63
  5. Step 5: Solve for x
    x = 12,033,168,876.63/125,866.14
  6. Step 6: Final answer
    x = 95,602.91

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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.