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Finding the Fourth Proportional to 161,217.44, 241,825.87 and 42,888.78

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Solution

The fourth proportional to 161,217.44, 241,825.87 and 42,888.78 is: 64,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,217.44 : 241,825.87 = 42,888.78 : x
  2. Step 2: Convert to fraction form
    161,217.44/241,825.87 = 42,888.78/x
  3. Step 3: Cross multiply
    161,217.44x = 241,825.87 × 42,888.78
  4. Step 4: Simplify right side
    161,217.44x = 10,371,616,536.74
  5. Step 5: Solve for x
    x = 10,371,616,536.74/161,217.44
  6. Step 6: Final answer
    x = 64,333.09

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1.5x scale

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.