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Finding the Fourth Proportional to 228,205.38, 314,817.38 and 147,658.85

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Solution

The fourth proportional to 228,205.38, 314,817.38 and 147,658.85 is: 203,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,205.38 : 314,817.38 = 147,658.85 : x
  2. Step 2: Convert to fraction form
    228,205.38/314,817.38 = 147,658.85/x
  3. Step 3: Cross multiply
    228,205.38x = 314,817.38 × 147,658.85
  4. Step 4: Simplify right side
    228,205.38x = 46,485,573,077.86
  5. Step 5: Solve for x
    x = 46,485,573,077.86/228,205.38
  6. Step 6: Final answer
    x = 203,700.60

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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.