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Finding the Fourth Proportional to 228,082.60, 342,156.30 and 70,294.60

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Solution

The fourth proportional to 228,082.60, 342,156.30 and 70,294.60 is: 105,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,082.60 : 342,156.30 = 70,294.60 : x
  2. Step 2: Convert to fraction form
    228,082.60/342,156.30 = 70,294.60/x
  3. Step 3: Cross multiply
    228,082.60x = 342,156.30 × 70,294.60
  4. Step 4: Simplify right side
    228,082.60x = 24,051,740,245.98
  5. Step 5: Solve for x
    x = 24,051,740,245.98/228,082.60
  6. Step 6: Final answer
    x = 105,451.89

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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.