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Finding the Fourth Proportional to 146,237.64, 201,807.98 and 79,169.64

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Solution

The fourth proportional to 146,237.64, 201,807.98 and 79,169.64 is: 109,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,237.64 : 201,807.98 = 79,169.64 : x
  2. Step 2: Convert to fraction form
    146,237.64/201,807.98 = 79,169.64/x
  3. Step 3: Cross multiply
    146,237.64x = 201,807.98 × 79,169.64
  4. Step 4: Simplify right side
    146,237.64x = 15,977,065,125.73
  5. Step 5: Solve for x
    x = 15,977,065,125.73/146,237.64
  6. Step 6: Final answer
    x = 109,254.12

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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.