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Finding the Fourth Proportional to 366,213.80, 549,102.54 and 113,419.40

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Solution

The fourth proportional to 366,213.80, 549,102.54 and 113,419.40 is: 170,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,213.80 : 549,102.54 = 113,419.40 : x
  2. Step 2: Convert to fraction form
    366,213.80/549,102.54 = 113,419.40/x
  3. Step 3: Cross multiply
    366,213.80x = 549,102.54 × 113,419.40
  4. Step 4: Simplify right side
    366,213.80x = 62,278,880,625.28
  5. Step 5: Solve for x
    x = 62,278,880,625.28/366,213.80
  6. Step 6: Final answer
    x = 170,061.53

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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.