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Finding the Fourth Proportional to 150,459.86, 225,635.90 and 70,484.13

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Solution

The fourth proportional to 150,459.86, 225,635.90 and 70,484.13 is: 105,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,459.86 : 225,635.90 = 70,484.13 : x
  2. Step 2: Convert to fraction form
    150,459.86/225,635.90 = 70,484.13/x
  3. Step 3: Cross multiply
    150,459.86x = 225,635.90 × 70,484.13
  4. Step 4: Simplify right side
    150,459.86x = 15,903,749,755.85
  5. Step 5: Solve for x
    x = 15,903,749,755.85/150,459.86
  6. Step 6: Final answer
    x = 105,700.95

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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.