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Finding the Fourth Proportional to 228,301.99, 315,134.48 and 132,888.85

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Solution

The fourth proportional to 228,301.99, 315,134.48 and 132,888.85 is: 183,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,301.99 : 315,134.48 = 132,888.85 : x
  2. Step 2: Convert to fraction form
    228,301.99/315,134.48 = 132,888.85/x
  3. Step 3: Cross multiply
    228,301.99x = 315,134.48 × 132,888.85
  4. Step 4: Simplify right side
    228,301.99x = 41,877,858,642.55
  5. Step 5: Solve for x
    x = 41,877,858,642.55/228,301.99
  6. Step 6: Final answer
    x = 183,431.86

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1.5x scale

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.