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Finding the Fourth Proportional to 228,290.99, 315,119.30 and 132,877.85

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Solution

The fourth proportional to 228,290.99, 315,119.30 and 132,877.85 is: 183,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,290.99 : 315,119.30 = 132,877.85 : x
  2. Step 2: Convert to fraction form
    228,290.99/315,119.30 = 132,877.85/x
  3. Step 3: Cross multiply
    228,290.99x = 315,119.30 × 132,877.85
  4. Step 4: Simplify right side
    228,290.99x = 41,872,372,837.52
  5. Step 5: Solve for x
    x = 41,872,372,837.52/228,290.99
  6. Step 6: Final answer
    x = 183,416.67

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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.