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Finding the Fourth Proportional to 152,640.32, 228,902.97 and 63,899.96

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Solution

The fourth proportional to 152,640.32, 228,902.97 and 63,899.96 is: 95,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,640.32 : 228,902.97 = 63,899.96 : x
  2. Step 2: Convert to fraction form
    152,640.32/228,902.97 = 63,899.96/x
  3. Step 3: Cross multiply
    152,640.32x = 228,902.97 × 63,899.96
  4. Step 4: Simplify right side
    152,640.32x = 14,626,891,199.14
  5. Step 5: Solve for x
    x = 14,626,891,199.14/152,640.32
  6. Step 6: Final answer
    x = 95,825.87

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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.