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Finding the Fourth Proportional to 160,363.01, 221,154.75 and 137,694.89

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Solution

The fourth proportional to 160,363.01, 221,154.75 and 137,694.89 is: 189,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,363.01 : 221,154.75 = 137,694.89 : x
  2. Step 2: Convert to fraction form
    160,363.01/221,154.75 = 137,694.89/x
  3. Step 3: Cross multiply
    160,363.01x = 221,154.75 × 137,694.89
  4. Step 4: Simplify right side
    160,363.01x = 30,451,878,974.23
  5. Step 5: Solve for x
    x = 30,451,878,974.23/160,363.01
  6. Step 6: Final answer
    x = 189,893.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.