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Finding the Fourth Proportional to 92,013.84, 127,491.44 and 90,020.97

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Solution

The fourth proportional to 92,013.84, 127,491.44 and 90,020.97 is: 124,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,013.84 : 127,491.44 = 90,020.97 : x
  2. Step 2: Convert to fraction form
    92,013.84/127,491.44 = 90,020.97/x
  3. Step 3: Cross multiply
    92,013.84x = 127,491.44 × 90,020.97
  4. Step 4: Simplify right side
    92,013.84x = 11,476,902,645.39
  5. Step 5: Solve for x
    x = 11,476,902,645.39/92,013.84
  6. Step 6: Final answer
    x = 124,730.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.