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Finding the Fourth Proportional to 119,577, 165,016.26 and 69,305.16

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Solution

The fourth proportional to 119,577, 165,016.26 and 69,305.16 is: 95,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,577 : 165,016.26 = 69,305.16 : x
  2. Step 2: Convert to fraction form
    119,577/165,016.26 = 69,305.16/x
  3. Step 3: Cross multiply
    119,577x = 165,016.26 × 69,305.16
  4. Step 4: Simplify right side
    119,577x = 11,436,478,301.90
  5. Step 5: Solve for x
    x = 11,436,478,301.90/119,577
  6. Step 6: Final answer
    x = 95,641.12

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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.