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Finding the Fourth Proportional to 98,304.38, 135,671.04 and 60,578.63

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Solution

The fourth proportional to 98,304.38, 135,671.04 and 60,578.63 is: 83,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,304.38 : 135,671.04 = 60,578.63 : x
  2. Step 2: Convert to fraction form
    98,304.38/135,671.04 = 60,578.63/x
  3. Step 3: Cross multiply
    98,304.38x = 135,671.04 × 60,578.63
  4. Step 4: Simplify right side
    98,304.38x = 8,218,765,055.52
  5. Step 5: Solve for x
    x = 8,218,765,055.52/98,304.38
  6. Step 6: Final answer
    x = 83,605.28

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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.