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Finding the Fourth Proportional to 80,852.40, 111,581.01 and 45,041.22

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Solution

The fourth proportional to 80,852.40, 111,581.01 and 45,041.22 is: 62,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852.40 : 111,581.01 = 45,041.22 : x
  2. Step 2: Convert to fraction form
    80,852.40/111,581.01 = 45,041.22/x
  3. Step 3: Cross multiply
    80,852.40x = 111,581.01 × 45,041.22
  4. Step 4: Simplify right side
    80,852.40x = 5,025,744,819.23
  5. Step 5: Solve for x
    x = 5,025,744,819.23/80,852.40
  6. Step 6: Final answer
    x = 62,159.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.