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Finding the Fourth Proportional to 376,779.15, 565,114.05 and 110,511.90

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Solution

The fourth proportional to 376,779.15, 565,114.05 and 110,511.90 is: 165,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,779.15 : 565,114.05 = 110,511.90 : x
  2. Step 2: Convert to fraction form
    376,779.15/565,114.05 = 110,511.90/x
  3. Step 3: Cross multiply
    376,779.15x = 565,114.05 × 110,511.90
  4. Step 4: Simplify right side
    376,779.15x = 62,451,827,382.20
  5. Step 5: Solve for x
    x = 62,451,827,382.20/376,779.15
  6. Step 6: Final answer
    x = 165,751.81

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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.