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Finding the Fourth Proportional to 92,276.40, 127,359.09 and 54,044.40

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Solution

The fourth proportional to 92,276.40, 127,359.09 and 54,044.40 is: 74,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,276.40 : 127,359.09 = 54,044.40 : x
  2. Step 2: Convert to fraction form
    92,276.40/127,359.09 = 54,044.40/x
  3. Step 3: Cross multiply
    92,276.40x = 127,359.09 × 54,044.40
  4. Step 4: Simplify right side
    92,276.40x = 6,883,045,603.60
  5. Step 5: Solve for x
    x = 6,883,045,603.60/92,276.40
  6. Step 6: Final answer
    x = 74,591.61

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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.