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Finding the Fourth Proportional to 92,130.40, 127,134.88 and 51,845.92

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Solution

The fourth proportional to 92,130.40, 127,134.88 and 51,845.92 is: 71,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,130.40 : 127,134.88 = 51,845.92 : x
  2. Step 2: Convert to fraction form
    92,130.40/127,134.88 = 51,845.92/x
  3. Step 3: Cross multiply
    92,130.40x = 127,134.88 × 51,845.92
  4. Step 4: Simplify right side
    92,130.40x = 6,591,424,817.69
  5. Step 5: Solve for x
    x = 6,591,424,817.69/92,130.40
  6. Step 6: Final answer
    x = 71,544.52

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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.