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Finding the Fourth Proportional to 250,616.02, 345,818.24 and 143,193.01

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Solution

The fourth proportional to 250,616.02, 345,818.24 and 143,193.01 is: 197,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,616.02 : 345,818.24 = 143,193.01 : x
  2. Step 2: Convert to fraction form
    250,616.02/345,818.24 = 143,193.01/x
  3. Step 3: Cross multiply
    250,616.02x = 345,818.24 × 143,193.01
  4. Step 4: Simplify right side
    250,616.02x = 49,518,754,698.50
  5. Step 5: Solve for x
    x = 49,518,754,698.50/250,616.02
  6. Step 6: Final answer
    x = 197,588.15

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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.