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Finding the Fourth Proportional to 356,132.70, 534,197.01 and 89,892.12

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Solution

The fourth proportional to 356,132.70, 534,197.01 and 89,892.12 is: 134,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,132.70 : 534,197.01 = 89,892.12 : x
  2. Step 2: Convert to fraction form
    356,132.70/534,197.01 = 89,892.12/x
  3. Step 3: Cross multiply
    356,132.70x = 534,197.01 × 89,892.12
  4. Step 4: Simplify right side
    356,132.70x = 48,020,101,726.56
  5. Step 5: Solve for x
    x = 48,020,101,726.56/356,132.70
  6. Step 6: Final answer
    x = 134,837.67

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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.