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Finding the Fourth Proportional to 109,595.97, 151,242.66 and 61,197.66

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Solution

The fourth proportional to 109,595.97, 151,242.66 and 61,197.66 is: 84,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,595.97 : 151,242.66 = 61,197.66 : x
  2. Step 2: Convert to fraction form
    109,595.97/151,242.66 = 61,197.66/x
  3. Step 3: Cross multiply
    109,595.97x = 151,242.66 × 61,197.66
  4. Step 4: Simplify right side
    109,595.97x = 9,255,696,884.18
  5. Step 5: Solve for x
    x = 9,255,696,884.18/109,595.97
  6. Step 6: Final answer
    x = 84,452.89

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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.