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Finding the Fourth Proportional to 238,357.04, 357,686.16 and 133,244.96

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Solution

The fourth proportional to 238,357.04, 357,686.16 and 133,244.96 is: 199,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,357.04 : 357,686.16 = 133,244.96 : x
  2. Step 2: Convert to fraction form
    238,357.04/357,686.16 = 133,244.96/x
  3. Step 3: Cross multiply
    238,357.04x = 357,686.16 × 133,244.96
  4. Step 4: Simplify right side
    238,357.04x = 47,659,878,081.75
  5. Step 5: Solve for x
    x = 47,659,878,081.75/238,357.04
  6. Step 6: Final answer
    x = 199,951.63

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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.