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Finding the Fourth Proportional to 242,993.52, 335,113.02 and 152,359.38

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Solution

The fourth proportional to 242,993.52, 335,113.02 and 152,359.38 is: 210,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,993.52 : 335,113.02 = 152,359.38 : x
  2. Step 2: Convert to fraction form
    242,993.52/335,113.02 = 152,359.38/x
  3. Step 3: Cross multiply
    242,993.52x = 335,113.02 × 152,359.38
  4. Step 4: Simplify right side
    242,993.52x = 51,057,611,957.13
  5. Step 5: Solve for x
    x = 51,057,611,957.13/242,993.52
  6. Step 6: Final answer
    x = 210,119.23

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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.