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Finding the Fourth Proportional to 448,665.76, 672,972.18 and 168,159.52

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Solution

The fourth proportional to 448,665.76, 672,972.18 and 168,159.52 is: 252,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,665.76 : 672,972.18 = 168,159.52 : x
  2. Step 2: Convert to fraction form
    448,665.76/672,972.18 = 168,159.52/x
  3. Step 3: Cross multiply
    448,665.76x = 672,972.18 × 168,159.52
  4. Step 4: Simplify right side
    448,665.76x = 113,166,678,762.15
  5. Step 5: Solve for x
    x = 113,166,678,762.15/448,665.76
  6. Step 6: Final answer
    x = 252,229.36

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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.