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Finding the Fourth Proportional to 120,637.87, 180,984.61 and 41,752.10

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Solution

The fourth proportional to 120,637.87, 180,984.61 and 41,752.10 is: 62,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.87 : 180,984.61 = 41,752.10 : x
  2. Step 2: Convert to fraction form
    120,637.87/180,984.61 = 41,752.10/x
  3. Step 3: Cross multiply
    120,637.87x = 180,984.61 × 41,752.10
  4. Step 4: Simplify right side
    120,637.87x = 7,556,487,126.28
  5. Step 5: Solve for x
    x = 7,556,487,126.28/120,637.87
  6. Step 6: Final answer
    x = 62,637.77

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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.