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Finding the Fourth Proportional to 200,061.80, 299,990.10 and 59,802.20

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Solution

The fourth proportional to 200,061.80, 299,990.10 and 59,802.20 is: 89,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,061.80 : 299,990.10 = 59,802.20 : x
  2. Step 2: Convert to fraction form
    200,061.80/299,990.10 = 59,802.20/x
  3. Step 3: Cross multiply
    200,061.80x = 299,990.10 × 59,802.20
  4. Step 4: Simplify right side
    200,061.80x = 17,940,067,958.22
  5. Step 5: Solve for x
    x = 17,940,067,958.22/200,061.80
  6. Step 6: Final answer
    x = 89,672.63

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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.