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Finding the Fourth Proportional to 127,677, 191,552.04 and 43,455.72

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Solution

The fourth proportional to 127,677, 191,552.04 and 43,455.72 is: 65,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677 : 191,552.04 = 43,455.72 : x
  2. Step 2: Convert to fraction form
    127,677/191,552.04 = 43,455.72/x
  3. Step 3: Cross multiply
    127,677x = 191,552.04 × 43,455.72
  4. Step 4: Simplify right side
    127,677x = 8,324,031,815.67
  5. Step 5: Solve for x
    x = 8,324,031,815.67/127,677
  6. Step 6: Final answer
    x = 65,196.02

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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.