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Finding the Fourth Proportional to 160,995.48, 241,179.06 and 105,423

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Solution

The fourth proportional to 160,995.48, 241,179.06 and 105,423 is: 157,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,995.48 : 241,179.06 = 105,423 : x
  2. Step 2: Convert to fraction form
    160,995.48/241,179.06 = 105,423/x
  3. Step 3: Cross multiply
    160,995.48x = 241,179.06 × 105,423
  4. Step 4: Simplify right side
    160,995.48x = 25,425,820,042.38
  5. Step 5: Solve for x
    x = 25,425,820,042.38/160,995.48
  6. Step 6: Final answer
    x = 157,928.78

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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.