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Finding the Fourth Proportional to 480,072.96, 720,100.80 and 164,531.52

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Solution

The fourth proportional to 480,072.96, 720,100.80 and 164,531.52 is: 246,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,072.96 : 720,100.80 = 164,531.52 : x
  2. Step 2: Convert to fraction form
    480,072.96/720,100.80 = 164,531.52/x
  3. Step 3: Cross multiply
    480,072.96x = 720,100.80 × 164,531.52
  4. Step 4: Simplify right side
    480,072.96x = 118,479,279,177.22
  5. Step 5: Solve for x
    x = 118,479,279,177.22/480,072.96
  6. Step 6: Final answer
    x = 246,794.32

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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.