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Finding the Fourth Proportional to 60,019.32, 89,866.98 and 40,255.32

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Solution

The fourth proportional to 60,019.32, 89,866.98 and 40,255.32 is: 60,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,019.32 : 89,866.98 = 40,255.32 : x
  2. Step 2: Convert to fraction form
    60,019.32/89,866.98 = 40,255.32/x
  3. Step 3: Cross multiply
    60,019.32x = 89,866.98 × 40,255.32
  4. Step 4: Simplify right side
    60,019.32x = 3,617,624,037.33
  5. Step 5: Solve for x
    x = 3,617,624,037.33/60,019.32
  6. Step 6: Final answer
    x = 60,274.33

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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.