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Finding the Fourth Proportional to 112,297.59, 154,972.17 and 61,309.73

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Solution

The fourth proportional to 112,297.59, 154,972.17 and 61,309.73 is: 84,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,297.59 : 154,972.17 = 61,309.73 : x
  2. Step 2: Convert to fraction form
    112,297.59/154,972.17 = 61,309.73/x
  3. Step 3: Cross multiply
    112,297.59x = 154,972.17 × 61,309.73
  4. Step 4: Simplify right side
    112,297.59x = 9,501,302,287.64
  5. Step 5: Solve for x
    x = 9,501,302,287.64/112,297.59
  6. Step 6: Final answer
    x = 84,608.25

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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.