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Finding the Fourth Proportional to 92,443.97, 127,574.37 and 54,230.94

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Solution

The fourth proportional to 92,443.97, 127,574.37 and 54,230.94 is: 74,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,443.97 : 127,574.37 = 54,230.94 : x
  2. Step 2: Convert to fraction form
    92,443.97/127,574.37 = 54,230.94/x
  3. Step 3: Cross multiply
    92,443.97x = 127,574.37 × 54,230.94
  4. Step 4: Simplify right side
    92,443.97x = 6,918,478,005.01
  5. Step 5: Solve for x
    x = 6,918,478,005.01/92,443.97
  6. Step 6: Final answer
    x = 74,839.69

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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.