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Finding the Fourth Proportional to 159,859.40, 239,700.94 and 65,065.26

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Solution

The fourth proportional to 159,859.40, 239,700.94 and 65,065.26 is: 97,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,859.40 : 239,700.94 = 65,065.26 : x
  2. Step 2: Convert to fraction form
    159,859.40/239,700.94 = 65,065.26/x
  3. Step 3: Cross multiply
    159,859.40x = 239,700.94 × 65,065.26
  4. Step 4: Simplify right side
    159,859.40x = 15,596,203,983.34
  5. Step 5: Solve for x
    x = 15,596,203,983.34/159,859.40
  6. Step 6: Final answer
    x = 97,562.01

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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.