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Finding the Fourth Proportional to 92,486.16, 127,622.88 and 54,253.44

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Solution

The fourth proportional to 92,486.16, 127,622.88 and 54,253.44 is: 74,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,486.16 : 127,622.88 = 54,253.44 : x
  2. Step 2: Convert to fraction form
    92,486.16/127,622.88 = 54,253.44/x
  3. Step 3: Cross multiply
    92,486.16x = 127,622.88 × 54,253.44
  4. Step 4: Simplify right side
    92,486.16x = 6,923,980,262.71
  5. Step 5: Solve for x
    x = 6,923,980,262.71/92,486.16
  6. Step 6: Final answer
    x = 74,865.04

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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.