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Finding the Fourth Proportional to 111,496.68, 153,865.51 and 60,509.41

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Solution

The fourth proportional to 111,496.68, 153,865.51 and 60,509.41 is: 83,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,496.68 : 153,865.51 = 60,509.41 : x
  2. Step 2: Convert to fraction form
    111,496.68/153,865.51 = 60,509.41/x
  3. Step 3: Cross multiply
    111,496.68x = 153,865.51 × 60,509.41
  4. Step 4: Simplify right side
    111,496.68x = 9,310,311,229.45
  5. Step 5: Solve for x
    x = 9,310,311,229.45/111,496.68
  6. Step 6: Final answer
    x = 83,503.04

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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.