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Finding the Fourth Proportional to 161,703.90, 242,555.85 and 146,151.90

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Solution

The fourth proportional to 161,703.90, 242,555.85 and 146,151.90 is: 219,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.90 : 242,555.85 = 146,151.90 : x
  2. Step 2: Convert to fraction form
    161,703.90/242,555.85 = 146,151.90/x
  3. Step 3: Cross multiply
    161,703.90x = 242,555.85 × 146,151.90
  4. Step 4: Simplify right side
    161,703.90x = 35,449,998,333.62
  5. Step 5: Solve for x
    x = 35,449,998,333.62/161,703.90
  6. Step 6: Final answer
    x = 219,227.85

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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.