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Finding the Fourth Proportional to 160,721, 241,081.50 and 62,225

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Solution

The fourth proportional to 160,721, 241,081.50 and 62,225 is: 93,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,721 : 241,081.50 = 62,225 : x
  2. Step 2: Convert to fraction form
    160,721/241,081.50 = 62,225/x
  3. Step 3: Cross multiply
    160,721x = 241,081.50 × 62,225
  4. Step 4: Simplify right side
    160,721x = 15,001,296,337.50
  5. Step 5: Solve for x
    x = 15,001,296,337.50/160,721
  6. Step 6: Final answer
    x = 93,337.50

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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.