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Finding the Fourth Proportional to 92,041.39, 138,041.43 and 35,862.22

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Solution

The fourth proportional to 92,041.39, 138,041.43 and 35,862.22 is: 53,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,041.39 : 138,041.43 = 35,862.22 : x
  2. Step 2: Convert to fraction form
    92,041.39/138,041.43 = 35,862.22/x
  3. Step 3: Cross multiply
    92,041.39x = 138,041.43 × 35,862.22
  4. Step 4: Simplify right side
    92,041.39x = 4,950,472,131.77
  5. Step 5: Solve for x
    x = 4,950,472,131.77/92,041.39
  6. Step 6: Final answer
    x = 53,785.28

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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.