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Finding the Fourth Proportional to 155,292.99, 232,944.67 and 42,963.80

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Solution

The fourth proportional to 155,292.99, 232,944.67 and 42,963.80 is: 64,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,292.99 : 232,944.67 = 42,963.80 : x
  2. Step 2: Convert to fraction form
    155,292.99/232,944.67 = 42,963.80/x
  3. Step 3: Cross multiply
    155,292.99x = 232,944.67 × 42,963.80
  4. Step 4: Simplify right side
    155,292.99x = 10,008,187,523.17
  5. Step 5: Solve for x
    x = 10,008,187,523.17/155,292.99
  6. Step 6: Final answer
    x = 64,447.13

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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.