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Finding the Fourth Proportional to 93,428.70, 140,143.05 and 34,244.70

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Solution

The fourth proportional to 93,428.70, 140,143.05 and 34,244.70 is: 51,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,428.70 : 140,143.05 = 34,244.70 : x
  2. Step 2: Convert to fraction form
    93,428.70/140,143.05 = 34,244.70/x
  3. Step 3: Cross multiply
    93,428.70x = 140,143.05 × 34,244.70
  4. Step 4: Simplify right side
    93,428.70x = 4,799,156,704.34
  5. Step 5: Solve for x
    x = 4,799,156,704.34/93,428.70
  6. Step 6: Final answer
    x = 51,367.05

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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.