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Finding the Fourth Proportional to 243,264.56, 365,001.96 and 130,813.34

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Solution

The fourth proportional to 243,264.56, 365,001.96 and 130,813.34 is: 196,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,264.56 : 365,001.96 = 130,813.34 : x
  2. Step 2: Convert to fraction form
    243,264.56/365,001.96 = 130,813.34/x
  3. Step 3: Cross multiply
    243,264.56x = 365,001.96 × 130,813.34
  4. Step 4: Simplify right side
    243,264.56x = 47,747,125,494.15
  5. Step 5: Solve for x
    x = 47,747,125,494.15/243,264.56
  6. Step 6: Final answer
    x = 196,276.54

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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.