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Finding the Fourth Proportional to 376,742.70, 565,205.18 and 110,511.90

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Solution

The fourth proportional to 376,742.70, 565,205.18 and 110,511.90 is: 165,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,742.70 : 565,205.18 = 110,511.90 : x
  2. Step 2: Convert to fraction form
    376,742.70/565,205.18 = 110,511.90/x
  3. Step 3: Cross multiply
    376,742.70x = 565,205.18 × 110,511.90
  4. Step 4: Simplify right side
    376,742.70x = 62,461,897,779.08
  5. Step 5: Solve for x
    x = 62,461,897,779.08/376,742.70
  6. Step 6: Final answer
    x = 165,794.58

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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.