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Finding the Fourth Proportional to 159,001.59, 238,611.75 and 65,507.34

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Solution

The fourth proportional to 159,001.59, 238,611.75 and 65,507.34 is: 98,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,001.59 : 238,611.75 = 65,507.34 : x
  2. Step 2: Convert to fraction form
    159,001.59/238,611.75 = 65,507.34/x
  3. Step 3: Cross multiply
    159,001.59x = 238,611.75 × 65,507.34
  4. Step 4: Simplify right side
    159,001.59x = 15,630,821,684.39
  5. Step 5: Solve for x
    x = 15,630,821,684.39/159,001.59
  6. Step 6: Final answer
    x = 98,306.07

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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.