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Finding the Fourth Proportional to 117,298.52, 175,920.80 and 69,927

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Solution

The fourth proportional to 117,298.52, 175,920.80 and 69,927 is: 104,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,298.52 : 175,920.80 = 69,927 : x
  2. Step 2: Convert to fraction form
    117,298.52/175,920.80 = 69,927/x
  3. Step 3: Cross multiply
    117,298.52x = 175,920.80 × 69,927
  4. Step 4: Simplify right side
    117,298.52x = 12,301,613,781.60
  5. Step 5: Solve for x
    x = 12,301,613,781.60/117,298.52
  6. Step 6: Final answer
    x = 104,874.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.