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Finding the Fourth Proportional to 161,119.80, 241,679.70 and 42,803.10

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Solution

The fourth proportional to 161,119.80, 241,679.70 and 42,803.10 is: 64,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,119.80 : 241,679.70 = 42,803.10 : x
  2. Step 2: Convert to fraction form
    161,119.80/241,679.70 = 42,803.10/x
  3. Step 3: Cross multiply
    161,119.80x = 241,679.70 × 42,803.10
  4. Step 4: Simplify right side
    161,119.80x = 10,344,640,367.07
  5. Step 5: Solve for x
    x = 10,344,640,367.07/161,119.80
  6. Step 6: Final answer
    x = 64,204.65

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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.