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Finding the Fourth Proportional to 243,049.16, 364,572.66 and 65,574.20

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Solution

The fourth proportional to 243,049.16, 364,572.66 and 65,574.20 is: 98,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,049.16 : 364,572.66 = 65,574.20 : x
  2. Step 2: Convert to fraction form
    243,049.16/364,572.66 = 65,574.20/x
  3. Step 3: Cross multiply
    243,049.16x = 364,572.66 × 65,574.20
  4. Step 4: Simplify right side
    243,049.16x = 23,906,560,521.37
  5. Step 5: Solve for x
    x = 23,906,560,521.37/243,049.16
  6. Step 6: Final answer
    x = 98,361.01

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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.