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Finding the Fourth Proportional to 239,255.44, 358,945.43 and 89,507.43

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Solution

The fourth proportional to 239,255.44, 358,945.43 and 89,507.43 is: 134,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,255.44 : 358,945.43 = 89,507.43 : x
  2. Step 2: Convert to fraction form
    239,255.44/358,945.43 = 89,507.43/x
  3. Step 3: Cross multiply
    239,255.44x = 358,945.43 × 89,507.43
  4. Step 4: Simplify right side
    239,255.44x = 32,128,282,502.01
  5. Step 5: Solve for x
    x = 32,128,282,502.01/239,255.44
  6. Step 6: Final answer
    x = 134,284.44

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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.