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Finding the Fourth Proportional to 132,477.62, 198,674.28 and 43,714.58

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Solution

The fourth proportional to 132,477.62, 198,674.28 and 43,714.58 is: 65,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,477.62 : 198,674.28 = 43,714.58 : x
  2. Step 2: Convert to fraction form
    132,477.62/198,674.28 = 43,714.58/x
  3. Step 3: Cross multiply
    132,477.62x = 198,674.28 × 43,714.58
  4. Step 4: Simplify right side
    132,477.62x = 8,684,962,707.00
  5. Step 5: Solve for x
    x = 8,684,962,707.00/132,477.62
  6. Step 6: Final answer
    x = 65,557.96

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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.