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Finding the Fourth Proportional to 89,571.74, 123,609.71 and 48,736.13

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Solution

The fourth proportional to 89,571.74, 123,609.71 and 48,736.13 is: 67,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,571.74 : 123,609.71 = 48,736.13 : x
  2. Step 2: Convert to fraction form
    89,571.74/123,609.71 = 48,736.13/x
  3. Step 3: Cross multiply
    89,571.74x = 123,609.71 × 48,736.13
  4. Step 4: Simplify right side
    89,571.74x = 6,024,258,399.61
  5. Step 5: Solve for x
    x = 6,024,258,399.61/89,571.74
  6. Step 6: Final answer
    x = 67,256.24

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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.