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Finding the Fourth Proportional to 111,508.95, 153,882.42 and 60,521.67

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Solution

The fourth proportional to 111,508.95, 153,882.42 and 60,521.67 is: 83,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,508.95 : 153,882.42 = 60,521.67 : x
  2. Step 2: Convert to fraction form
    111,508.95/153,882.42 = 60,521.67/x
  3. Step 3: Cross multiply
    111,508.95x = 153,882.42 × 60,521.67
  4. Step 4: Simplify right side
    111,508.95x = 9,313,221,042.04
  5. Step 5: Solve for x
    x = 9,313,221,042.04/111,508.95
  6. Step 6: Final answer
    x = 83,519.94

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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.