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Finding the Fourth Proportional to 92,126.80, 127,124.67 and 51,839.70

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Solution

The fourth proportional to 92,126.80, 127,124.67 and 51,839.70 is: 71,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,126.80 : 127,124.67 = 51,839.70 : x
  2. Step 2: Convert to fraction form
    92,126.80/127,124.67 = 51,839.70/x
  3. Step 3: Cross multiply
    92,126.80x = 127,124.67 × 51,839.70
  4. Step 4: Simplify right side
    92,126.80x = 6,590,104,755.40
  5. Step 5: Solve for x
    x = 6,590,104,755.40/92,126.80
  6. Step 6: Final answer
    x = 71,532.98

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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.