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Finding the Fourth Proportional to 238,443.93, 357,721.29 and 69,957.45

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Solution

The fourth proportional to 238,443.93, 357,721.29 and 69,957.45 is: 104,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,443.93 : 357,721.29 = 69,957.45 : x
  2. Step 2: Convert to fraction form
    238,443.93/357,721.29 = 69,957.45/x
  3. Step 3: Cross multiply
    238,443.93x = 357,721.29 × 69,957.45
  4. Step 4: Simplify right side
    238,443.93x = 25,025,269,259.11
  5. Step 5: Solve for x
    x = 25,025,269,259.11/238,443.93
  6. Step 6: Final answer
    x = 104,952.43

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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.