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Finding the Fourth Proportional to 227,666.40, 341,499.60 and 79,903.20

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Solution

The fourth proportional to 227,666.40, 341,499.60 and 79,903.20 is: 119,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,666.40 : 341,499.60 = 79,903.20 : x
  2. Step 2: Convert to fraction form
    227,666.40/341,499.60 = 79,903.20/x
  3. Step 3: Cross multiply
    227,666.40x = 341,499.60 × 79,903.20
  4. Step 4: Simplify right side
    227,666.40x = 27,286,910,838.72
  5. Step 5: Solve for x
    x = 27,286,910,838.72/227,666.40
  6. Step 6: Final answer
    x = 119,854.80

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1.5x scale

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.