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Finding the Fourth Proportional to 239,346.70, 359,082.21 and 89,598.76

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Solution

The fourth proportional to 239,346.70, 359,082.21 and 89,598.76 is: 134,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,346.70 : 359,082.21 = 89,598.76 : x
  2. Step 2: Convert to fraction form
    239,346.70/359,082.21 = 89,598.76/x
  3. Step 3: Cross multiply
    239,346.70x = 359,082.21 × 89,598.76
  4. Step 4: Simplify right side
    239,346.70x = 32,173,320,754.06
  5. Step 5: Solve for x
    x = 32,173,320,754.06/239,346.70
  6. Step 6: Final answer
    x = 134,421.41

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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.