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Finding the Fourth Proportional to 366,320.76, 549,475.72 and 100,080.80

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Solution

The fourth proportional to 366,320.76, 549,475.72 and 100,080.80 is: 150,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,320.76 : 549,475.72 = 100,080.80 : x
  2. Step 2: Convert to fraction form
    366,320.76/549,475.72 = 100,080.80/x
  3. Step 3: Cross multiply
    366,320.76x = 549,475.72 × 100,080.80
  4. Step 4: Simplify right side
    366,320.76x = 54,991,969,638.18
  5. Step 5: Solve for x
    x = 54,991,969,638.18/366,320.76
  6. Step 6: Final answer
    x = 150,119.72

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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.