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Finding the Fourth Proportional to 363,965.12, 545,757.60 and 114,580.16

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Solution

The fourth proportional to 363,965.12, 545,757.60 and 114,580.16 is: 171,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,965.12 : 545,757.60 = 114,580.16 : x
  2. Step 2: Convert to fraction form
    363,965.12/545,757.60 = 114,580.16/x
  3. Step 3: Cross multiply
    363,965.12x = 545,757.60 × 114,580.16
  4. Step 4: Simplify right side
    363,965.12x = 62,532,993,129.22
  5. Step 5: Solve for x
    x = 62,532,993,129.22/363,965.12
  6. Step 6: Final answer
    x = 171,810.40

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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.