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Finding the Fourth Proportional to 273,422.40, 410,133.60 and 153,356.10

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Solution

The fourth proportional to 273,422.40, 410,133.60 and 153,356.10 is: 230,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,422.40 : 410,133.60 = 153,356.10 : x
  2. Step 2: Convert to fraction form
    273,422.40/410,133.60 = 153,356.10/x
  3. Step 3: Cross multiply
    273,422.40x = 410,133.60 × 153,356.10
  4. Step 4: Simplify right side
    273,422.40x = 62,896,489,374.96
  5. Step 5: Solve for x
    x = 62,896,489,374.96/273,422.40
  6. Step 6: Final answer
    x = 230,034.15

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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.