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Finding the Fourth Proportional to 448,077.64, 672,116.44 and 132,509.96

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Solution

The fourth proportional to 448,077.64, 672,116.44 and 132,509.96 is: 198,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,077.64 : 672,116.44 = 132,509.96 : x
  2. Step 2: Convert to fraction form
    448,077.64/672,116.44 = 132,509.96/x
  3. Step 3: Cross multiply
    448,077.64x = 672,116.44 × 132,509.96
  4. Step 4: Simplify right side
    448,077.64x = 89,062,122,579.74
  5. Step 5: Solve for x
    x = 89,062,122,579.74/448,077.64
  6. Step 6: Final answer
    x = 198,764.93

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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.