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Finding the Fourth Proportional to 156,699.70, 235,050.90 and 44,382.40

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Solution

The fourth proportional to 156,699.70, 235,050.90 and 44,382.40 is: 66,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,699.70 : 235,050.90 = 44,382.40 : x
  2. Step 2: Convert to fraction form
    156,699.70/235,050.90 = 44,382.40/x
  3. Step 3: Cross multiply
    156,699.70x = 235,050.90 × 44,382.40
  4. Step 4: Simplify right side
    156,699.70x = 10,432,123,064.16
  5. Step 5: Solve for x
    x = 10,432,123,064.16/156,699.70
  6. Step 6: Final answer
    x = 66,573.98

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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.