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Finding the Fourth Proportional to 243,377.10, 365,065.65 and 234,045.90

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Solution

The fourth proportional to 243,377.10, 365,065.65 and 234,045.90 is: 351,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,377.10 : 365,065.65 = 234,045.90 : x
  2. Step 2: Convert to fraction form
    243,377.10/365,065.65 = 234,045.90/x
  3. Step 3: Cross multiply
    243,377.10x = 365,065.65 × 234,045.90
  4. Step 4: Simplify right side
    243,377.10x = 85,442,118,613.34
  5. Step 5: Solve for x
    x = 85,442,118,613.34/243,377.10
  6. Step 6: Final answer
    x = 351,068.85

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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.