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Finding the Fourth Proportional to 155,042.40, 233,024.40 and 134,767.20

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Solution

The fourth proportional to 155,042.40, 233,024.40 and 134,767.20 is: 202,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,042.40 : 233,024.40 = 134,767.20 : x
  2. Step 2: Convert to fraction form
    155,042.40/233,024.40 = 134,767.20/x
  3. Step 3: Cross multiply
    155,042.40x = 233,024.40 × 134,767.20
  4. Step 4: Simplify right side
    155,042.40x = 31,404,045,919.68
  5. Step 5: Solve for x
    x = 31,404,045,919.68/155,042.40
  6. Step 6: Final answer
    x = 202,551.34

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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.