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Finding the Fourth Proportional to 159,301.85, 238,952.75 and 65,810.03

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Solution

The fourth proportional to 159,301.85, 238,952.75 and 65,810.03 is: 98,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,301.85 : 238,952.75 = 65,810.03 : x
  2. Step 2: Convert to fraction form
    159,301.85/238,952.75 = 65,810.03/x
  3. Step 3: Cross multiply
    159,301.85x = 238,952.75 × 65,810.03
  4. Step 4: Simplify right side
    159,301.85x = 15,725,486,122.27
  5. Step 5: Solve for x
    x = 15,725,486,122.27/159,301.85
  6. Step 6: Final answer
    x = 98,715.03

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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.