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Finding the Fourth Proportional to 366,652.02, 549,980.46 and 142,037.40

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Solution

The fourth proportional to 366,652.02, 549,980.46 and 142,037.40 is: 213,057.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,652.02 : 549,980.46 = 142,037.40 : x
  2. Step 2: Convert to fraction form
    366,652.02/549,980.46 = 142,037.40/x
  3. Step 3: Cross multiply
    366,652.02x = 549,980.46 × 142,037.40
  4. Step 4: Simplify right side
    366,652.02x = 78,117,794,589.20
  5. Step 5: Solve for x
    x = 78,117,794,589.20/366,652.02
  6. Step 6: Final answer
    x = 213,057.04

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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.