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Finding the Fourth Proportional to 111,841.03, 154,340.62 and 61,540.03

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Solution

The fourth proportional to 111,841.03, 154,340.62 and 61,540.03 is: 84,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,841.03 : 154,340.62 = 61,540.03 : x
  2. Step 2: Convert to fraction form
    111,841.03/154,340.62 = 61,540.03/x
  3. Step 3: Cross multiply
    111,841.03x = 154,340.62 × 61,540.03
  4. Step 4: Simplify right side
    111,841.03x = 9,498,126,385.02
  5. Step 5: Solve for x
    x = 9,498,126,385.02/111,841.03
  6. Step 6: Final answer
    x = 84,925.24

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1.5x scale

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.