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Finding the Fourth Proportional to 75,000.61, 112,528.76 and 35,042.19

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Solution

The fourth proportional to 75,000.61, 112,528.76 and 35,042.19 is: 52,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.61 : 112,528.76 = 35,042.19 : x
  2. Step 2: Convert to fraction form
    75,000.61/112,528.76 = 35,042.19/x
  3. Step 3: Cross multiply
    75,000.61x = 112,528.76 × 35,042.19
  4. Step 4: Simplify right side
    75,000.61x = 3,943,254,188.38
  5. Step 5: Solve for x
    x = 3,943,254,188.38/75,000.61
  6. Step 6: Final answer
    x = 52,576.29

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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.