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Finding the Fourth Proportional to 92,425.53, 127,547.28 and 49,984.07

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Solution

The fourth proportional to 92,425.53, 127,547.28 and 49,984.07 is: 68,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,425.53 : 127,547.28 = 49,984.07 : x
  2. Step 2: Convert to fraction form
    92,425.53/127,547.28 = 49,984.07/x
  3. Step 3: Cross multiply
    92,425.53x = 127,547.28 × 49,984.07
  4. Step 4: Simplify right side
    92,425.53x = 6,375,332,490.70
  5. Step 5: Solve for x
    x = 6,375,332,490.70/92,425.53
  6. Step 6: Final answer
    x = 68,978.05

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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.