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Finding the Fourth Proportional to 366,164.72, 549,306.30 and 113,385.78

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Solution

The fourth proportional to 366,164.72, 549,306.30 and 113,385.78 is: 170,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,164.72 : 549,306.30 = 113,385.78 : x
  2. Step 2: Convert to fraction form
    366,164.72/549,306.30 = 113,385.78/x
  3. Step 3: Cross multiply
    366,164.72x = 549,306.30 × 113,385.78
  4. Step 4: Simplify right side
    366,164.72x = 62,283,523,284.41
  5. Step 5: Solve for x
    x = 62,283,523,284.41/366,164.72
  6. Step 6: Final answer
    x = 170,097.01

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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.