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Finding the Fourth Proportional to 92,127.82, 127,134.88 and 51,841.56

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Solution

The fourth proportional to 92,127.82, 127,134.88 and 51,841.56 is: 71,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,127.82 : 127,134.88 = 51,841.56 : x
  2. Step 2: Convert to fraction form
    92,127.82/127,134.88 = 51,841.56/x
  3. Step 3: Cross multiply
    92,127.82x = 127,134.88 × 51,841.56
  4. Step 4: Simplify right side
    92,127.82x = 6,590,870,509.61
  5. Step 5: Solve for x
    x = 6,590,870,509.61/92,127.82
  6. Step 6: Final answer
    x = 71,540.50

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1.5x scale

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.