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Finding the Fourth Proportional to 172,995.58, 238,379.52 and 127,601.62

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Solution

The fourth proportional to 172,995.58, 238,379.52 and 127,601.62 is: 175,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,995.58 : 238,379.52 = 127,601.62 : x
  2. Step 2: Convert to fraction form
    172,995.58/238,379.52 = 127,601.62/x
  3. Step 3: Cross multiply
    172,995.58x = 238,379.52 × 127,601.62
  4. Step 4: Simplify right side
    172,995.58x = 30,417,612,926.82
  5. Step 5: Solve for x
    x = 30,417,612,926.82/172,995.58
  6. Step 6: Final answer
    x = 175,828.84

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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.