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Finding the Fourth Proportional to 66,524.29, 99,802.38 and 22,151.42

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Solution

The fourth proportional to 66,524.29, 99,802.38 and 22,151.42 is: 33,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.29 : 99,802.38 = 22,151.42 : x
  2. Step 2: Convert to fraction form
    66,524.29/99,802.38 = 22,151.42/x
  3. Step 3: Cross multiply
    66,524.29x = 99,802.38 × 22,151.42
  4. Step 4: Simplify right side
    66,524.29x = 2,210,764,831.48
  5. Step 5: Solve for x
    x = 2,210,764,831.48/66,524.29
  6. Step 6: Final answer
    x = 33,232.45

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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.