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Finding the Fourth Proportional to 239,700.28, 359,457.02 and 89,858.84

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Solution

The fourth proportional to 239,700.28, 359,457.02 and 89,858.84 is: 134,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,700.28 : 359,457.02 = 89,858.84 : x
  2. Step 2: Convert to fraction form
    239,700.28/359,457.02 = 89,858.84/x
  3. Step 3: Cross multiply
    239,700.28x = 359,457.02 × 89,858.84
  4. Step 4: Simplify right side
    239,700.28x = 32,300,390,847.06
  5. Step 5: Solve for x
    x = 32,300,390,847.06/239,700.28
  6. Step 6: Final answer
    x = 134,753.25

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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.