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Finding the Fourth Proportional to 146,202.77, 201,760.13 and 79,134.77

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Solution

The fourth proportional to 146,202.77, 201,760.13 and 79,134.77 is: 109,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,202.77 : 201,760.13 = 79,134.77 : x
  2. Step 2: Convert to fraction form
    146,202.77/201,760.13 = 79,134.77/x
  3. Step 3: Cross multiply
    146,202.77x = 201,760.13 × 79,134.77
  4. Step 4: Simplify right side
    146,202.77x = 15,966,241,482.72
  5. Step 5: Solve for x
    x = 15,966,241,482.72/146,202.77
  6. Step 6: Final answer
    x = 109,206.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.