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Finding the Fourth Proportional to 160,659.48, 241,000.92 and 42,330

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Solution

The fourth proportional to 160,659.48, 241,000.92 and 42,330 is: 63,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659.48 : 241,000.92 = 42,330 : x
  2. Step 2: Convert to fraction form
    160,659.48/241,000.92 = 42,330/x
  3. Step 3: Cross multiply
    160,659.48x = 241,000.92 × 42,330
  4. Step 4: Simplify right side
    160,659.48x = 10,201,568,943.60
  5. Step 5: Solve for x
    x = 10,201,568,943.60/160,659.48
  6. Step 6: Final answer
    x = 63,498.08

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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.