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Finding the Fourth Proportional to 216,671.04, 325,047.24 and 98,350.70

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Solution

The fourth proportional to 216,671.04, 325,047.24 and 98,350.70 is: 147,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,671.04 : 325,047.24 = 98,350.70 : x
  2. Step 2: Convert to fraction form
    216,671.04/325,047.24 = 98,350.70/x
  3. Step 3: Cross multiply
    216,671.04x = 325,047.24 × 98,350.70
  4. Step 4: Simplify right side
    216,671.04x = 31,968,621,961.83
  5. Step 5: Solve for x
    x = 31,968,621,961.83/216,671.04
  6. Step 6: Final answer
    x = 147,544.51

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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.