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Finding the Fourth Proportional to 92,559.51, 138,810.51 and 33,387.49

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Solution

The fourth proportional to 92,559.51, 138,810.51 and 33,387.49 is: 50,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,559.51 : 138,810.51 = 33,387.49 : x
  2. Step 2: Convert to fraction form
    92,559.51/138,810.51 = 33,387.49/x
  3. Step 3: Cross multiply
    92,559.51x = 138,810.51 × 33,387.49
  4. Step 4: Simplify right side
    92,559.51x = 4,634,534,688.03
  5. Step 5: Solve for x
    x = 4,634,534,688.03/92,559.51
  6. Step 6: Final answer
    x = 50,070.86

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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.