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Finding the Fourth Proportional to 74,216, 111,330.84 and 26,842.92

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Solution

The fourth proportional to 74,216, 111,330.84 and 26,842.92 is: 40,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,216 : 111,330.84 = 26,842.92 : x
  2. Step 2: Convert to fraction form
    74,216/111,330.84 = 26,842.92/x
  3. Step 3: Cross multiply
    74,216x = 111,330.84 × 26,842.92
  4. Step 4: Simplify right side
    74,216x = 2,988,444,831.65
  5. Step 5: Solve for x
    x = 2,988,444,831.65/74,216
  6. Step 6: Final answer
    x = 40,266.85

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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.