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Finding the Fourth Proportional to 238,480.66, 357,723.02 and 70,003.78

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Solution

The fourth proportional to 238,480.66, 357,723.02 and 70,003.78 is: 105,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,480.66 : 357,723.02 = 70,003.78 : x
  2. Step 2: Convert to fraction form
    238,480.66/357,723.02 = 70,003.78/x
  3. Step 3: Cross multiply
    238,480.66x = 357,723.02 × 70,003.78
  4. Step 4: Simplify right side
    238,480.66x = 25,041,963,593.02
  5. Step 5: Solve for x
    x = 25,041,963,593.02/238,480.66
  6. Step 6: Final answer
    x = 105,006.27

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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.