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Finding the Fourth Proportional to 239,272.31, 358,970.74 and 89,524.31

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Solution

The fourth proportional to 239,272.31, 358,970.74 and 89,524.31 is: 134,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,272.31 : 358,970.74 = 89,524.31 : x
  2. Step 2: Convert to fraction form
    239,272.31/358,970.74 = 89,524.31/x
  3. Step 3: Cross multiply
    239,272.31x = 358,970.74 × 89,524.31
  4. Step 4: Simplify right side
    239,272.31x = 32,136,605,790.02
  5. Step 5: Solve for x
    x = 32,136,605,790.02/239,272.31
  6. Step 6: Final answer
    x = 134,309.76

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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.