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Finding the Fourth Proportional to 162,571.60, 244,375.80 and 153,240.40

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Solution

The fourth proportional to 162,571.60, 244,375.80 and 153,240.40 is: 230,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,571.60 : 244,375.80 = 153,240.40 : x
  2. Step 2: Convert to fraction form
    162,571.60/244,375.80 = 153,240.40/x
  3. Step 3: Cross multiply
    162,571.60x = 244,375.80 × 153,240.40
  4. Step 4: Simplify right side
    162,571.60x = 37,448,245,342.32
  5. Step 5: Solve for x
    x = 37,448,245,342.32/162,571.60
  6. Step 6: Final answer
    x = 230,349.25

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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.