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Finding the Fourth Proportional to 201,868.90, 302,803.35 and 96,633.70

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Solution

The fourth proportional to 201,868.90, 302,803.35 and 96,633.70 is: 144,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,868.90 : 302,803.35 = 96,633.70 : x
  2. Step 2: Convert to fraction form
    201,868.90/302,803.35 = 96,633.70/x
  3. Step 3: Cross multiply
    201,868.90x = 302,803.35 × 96,633.70
  4. Step 4: Simplify right side
    201,868.90x = 29,261,008,082.90
  5. Step 5: Solve for x
    x = 29,261,008,082.90/201,868.90
  6. Step 6: Final answer
    x = 144,950.55

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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.