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Finding the Fourth Proportional to 242,422.66, 363,409.49 and 123,832.45

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Solution

The fourth proportional to 242,422.66, 363,409.49 and 123,832.45 is: 185,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,422.66 : 363,409.49 = 123,832.45 : x
  2. Step 2: Convert to fraction form
    242,422.66/363,409.49 = 123,832.45/x
  3. Step 3: Cross multiply
    242,422.66x = 363,409.49 × 123,832.45
  4. Step 4: Simplify right side
    242,422.66x = 45,001,886,880.79
  5. Step 5: Solve for x
    x = 45,001,886,880.79/242,422.66
  6. Step 6: Final answer
    x = 185,634.00

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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.