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Finding the Fourth Proportional to 89,878.64, 124,007.64 and 58,048.88

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Solution

The fourth proportional to 89,878.64, 124,007.64 and 58,048.88 is: 80,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.64 : 124,007.64 = 58,048.88 : x
  2. Step 2: Convert to fraction form
    89,878.64/124,007.64 = 58,048.88/x
  3. Step 3: Cross multiply
    89,878.64x = 124,007.64 × 58,048.88
  4. Step 4: Simplify right side
    89,878.64x = 7,198,504,613.44
  5. Step 5: Solve for x
    x = 7,198,504,613.44/89,878.64
  6. Step 6: Final answer
    x = 80,091.38

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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.