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Finding the Fourth Proportional to 238,832.64, 358,033.92 and 91,192.32

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Solution

The fourth proportional to 238,832.64, 358,033.92 and 91,192.32 is: 136,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,832.64 : 358,033.92 = 91,192.32 : x
  2. Step 2: Convert to fraction form
    238,832.64/358,033.92 = 91,192.32/x
  3. Step 3: Cross multiply
    238,832.64x = 358,033.92 × 91,192.32
  4. Step 4: Simplify right side
    238,832.64x = 32,649,943,803.49
  5. Step 5: Solve for x
    x = 32,649,943,803.49/238,832.64
  6. Step 6: Final answer
    x = 136,706.37

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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.