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Finding the Fourth Proportional to 73,398.47, 101,288.22 and 42,769.67

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Solution

The fourth proportional to 73,398.47, 101,288.22 and 42,769.67 is: 59,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,398.47 : 101,288.22 = 42,769.67 : x
  2. Step 2: Convert to fraction form
    73,398.47/101,288.22 = 42,769.67/x
  3. Step 3: Cross multiply
    73,398.47x = 101,288.22 × 42,769.67
  4. Step 4: Simplify right side
    73,398.47x = 4,332,063,237.85
  5. Step 5: Solve for x
    x = 4,332,063,237.85/73,398.47
  6. Step 6: Final answer
    x = 59,021.17

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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.