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Finding the Fourth Proportional to 182,981.40, 274,472.10 and 70,666.80

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Solution

The fourth proportional to 182,981.40, 274,472.10 and 70,666.80 is: 106,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,981.40 : 274,472.10 = 70,666.80 : x
  2. Step 2: Convert to fraction form
    182,981.40/274,472.10 = 70,666.80/x
  3. Step 3: Cross multiply
    182,981.40x = 274,472.10 × 70,666.80
  4. Step 4: Simplify right side
    182,981.40x = 19,396,064,996.28
  5. Step 5: Solve for x
    x = 19,396,064,996.28/182,981.40
  6. Step 6: Final answer
    x = 106,000.20

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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.