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Finding the Fourth Proportional to 492,061.40, 738,092.10 and 159,637.40

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Solution

The fourth proportional to 492,061.40, 738,092.10 and 159,637.40 is: 239,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,061.40 : 738,092.10 = 159,637.40 : x
  2. Step 2: Convert to fraction form
    492,061.40/738,092.10 = 159,637.40/x
  3. Step 3: Cross multiply
    492,061.40x = 738,092.10 × 159,637.40
  4. Step 4: Simplify right side
    492,061.40x = 117,827,103,804.54
  5. Step 5: Solve for x
    x = 117,827,103,804.54/492,061.40
  6. Step 6: Final answer
    x = 239,456.10

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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.