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Finding the Fourth Proportional to 99,207.20, 148,810.80 and 33,543.20

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Solution

The fourth proportional to 99,207.20, 148,810.80 and 33,543.20 is: 50,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,207.20 : 148,810.80 = 33,543.20 : x
  2. Step 2: Convert to fraction form
    99,207.20/148,810.80 = 33,543.20/x
  3. Step 3: Cross multiply
    99,207.20x = 148,810.80 × 33,543.20
  4. Step 4: Simplify right side
    99,207.20x = 4,991,590,426.56
  5. Step 5: Solve for x
    x = 4,991,590,426.56/99,207.20
  6. Step 6: Final answer
    x = 50,314.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.