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Finding the Fourth Proportional to 92,501.71, 138,752.57 and 22,381.02

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Solution

The fourth proportional to 92,501.71, 138,752.57 and 22,381.02 is: 33,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,501.71 : 138,752.57 = 22,381.02 : x
  2. Step 2: Convert to fraction form
    92,501.71/138,752.57 = 22,381.02/x
  3. Step 3: Cross multiply
    92,501.71x = 138,752.57 × 22,381.02
  4. Step 4: Simplify right side
    92,501.71x = 3,105,424,044.22
  5. Step 5: Solve for x
    x = 3,105,424,044.22/92,501.71
  6. Step 6: Final answer
    x = 33,571.53

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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.