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Finding the Fourth Proportional to 60,142.09, 90,256.88 and 26,899.69

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Solution

The fourth proportional to 60,142.09, 90,256.88 and 26,899.69 is: 40,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,142.09 : 90,256.88 = 26,899.69 : x
  2. Step 2: Convert to fraction form
    60,142.09/90,256.88 = 26,899.69/x
  3. Step 3: Cross multiply
    60,142.09x = 90,256.88 × 26,899.69
  4. Step 4: Simplify right side
    60,142.09x = 2,427,882,092.37
  5. Step 5: Solve for x
    x = 2,427,882,092.37/60,142.09
  6. Step 6: Final answer
    x = 40,369.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.