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Finding the Fourth Proportional to 98,859.57, 148,258.71 and 35,671.52

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Solution

The fourth proportional to 98,859.57, 148,258.71 and 35,671.52 is: 53,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859.57 : 148,258.71 = 35,671.52 : x
  2. Step 2: Convert to fraction form
    98,859.57/148,258.71 = 35,671.52/x
  3. Step 3: Cross multiply
    98,859.57x = 148,258.71 × 35,671.52
  4. Step 4: Simplify right side
    98,859.57x = 5,288,612,756.54
  5. Step 5: Solve for x
    x = 5,288,612,756.54/98,859.57
  6. Step 6: Final answer
    x = 53,496.22

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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.