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Finding the Fourth Proportional to 111,298.74, 166,873.92 and 57,859.38

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Solution

The fourth proportional to 111,298.74, 166,873.92 and 57,859.38 is: 86,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,298.74 : 166,873.92 = 57,859.38 : x
  2. Step 2: Convert to fraction form
    111,298.74/166,873.92 = 57,859.38/x
  3. Step 3: Cross multiply
    111,298.74x = 166,873.92 × 57,859.38
  4. Step 4: Simplify right side
    111,298.74x = 9,655,221,549.37
  5. Step 5: Solve for x
    x = 9,655,221,549.37/111,298.74
  6. Step 6: Final answer
    x = 86,750.50

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1.5x scale

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.