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Finding the Fourth Proportional to 92,512, 127,666.56 and 50,070.88

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Solution

The fourth proportional to 92,512, 127,666.56 and 50,070.88 is: 69,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,512 : 127,666.56 = 50,070.88 : x
  2. Step 2: Convert to fraction form
    92,512/127,666.56 = 50,070.88/x
  3. Step 3: Cross multiply
    92,512x = 127,666.56 × 50,070.88
  4. Step 4: Simplify right side
    92,512x = 6,392,377,005.77
  5. Step 5: Solve for x
    x = 6,392,377,005.77/92,512
  6. Step 6: Final answer
    x = 69,097.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.