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Finding the Fourth Proportional to 109,008.56, 150,505.20 and 97,487.67

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Solution

The fourth proportional to 109,008.56, 150,505.20 and 97,487.67 is: 134,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,008.56 : 150,505.20 = 97,487.67 : x
  2. Step 2: Convert to fraction form
    109,008.56/150,505.20 = 97,487.67/x
  3. Step 3: Cross multiply
    109,008.56x = 150,505.20 × 97,487.67
  4. Step 4: Simplify right side
    109,008.56x = 14,672,401,835.28
  5. Step 5: Solve for x
    x = 14,672,401,835.28/109,008.56
  6. Step 6: Final answer
    x = 134,598.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.