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Finding the Fourth Proportional to 146,362.04, 201,986.12 and 82,700.88

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Solution

The fourth proportional to 146,362.04, 201,986.12 and 82,700.88 is: 114,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,362.04 : 201,986.12 = 82,700.88 : x
  2. Step 2: Convert to fraction form
    146,362.04/201,986.12 = 82,700.88/x
  3. Step 3: Cross multiply
    146,362.04x = 201,986.12 × 82,700.88
  4. Step 4: Simplify right side
    146,362.04x = 16,704,429,871.79
  5. Step 5: Solve for x
    x = 16,704,429,871.79/146,362.04
  6. Step 6: Final answer
    x = 114,130.89

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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.