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Finding the Fourth Proportional to 172,896.39, 238,598.06 and 96,420.32

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Solution

The fourth proportional to 172,896.39, 238,598.06 and 96,420.32 is: 133,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,896.39 : 238,598.06 = 96,420.32 : x
  2. Step 2: Convert to fraction form
    172,896.39/238,598.06 = 96,420.32/x
  3. Step 3: Cross multiply
    172,896.39x = 238,598.06 × 96,420.32
  4. Step 4: Simplify right side
    172,896.39x = 23,005,701,729.65
  5. Step 5: Solve for x
    x = 23,005,701,729.65/172,896.39
  6. Step 6: Final answer
    x = 133,060.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.