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Finding the Fourth Proportional to 238,580.48, 357,648.24 and 80,699.08

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Solution

The fourth proportional to 238,580.48, 357,648.24 and 80,699.08 is: 120,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,580.48 : 357,648.24 = 80,699.08 : x
  2. Step 2: Convert to fraction form
    238,580.48/357,648.24 = 80,699.08/x
  3. Step 3: Cross multiply
    238,580.48x = 357,648.24 × 80,699.08
  4. Step 4: Simplify right side
    238,580.48x = 28,861,883,931.62
  5. Step 5: Solve for x
    x = 28,861,883,931.62/238,580.48
  6. Step 6: Final answer
    x = 120,973.37

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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.