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Finding the Fourth Proportional to 308,948.76, 463,473.15 and 95,666.55

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Solution

The fourth proportional to 308,948.76, 463,473.15 and 95,666.55 is: 143,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,948.76 : 463,473.15 = 95,666.55 : x
  2. Step 2: Convert to fraction form
    308,948.76/463,473.15 = 95,666.55/x
  3. Step 3: Cross multiply
    308,948.76x = 463,473.15 × 95,666.55
  4. Step 4: Simplify right side
    308,948.76x = 44,338,876,799.80
  5. Step 5: Solve for x
    x = 44,338,876,799.80/308,948.76
  6. Step 6: Final answer
    x = 143,515.31

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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.