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Finding the Fourth Proportional to 172,995.42, 238,733.91 and 93,507.42

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Solution

The fourth proportional to 172,995.42, 238,733.91 and 93,507.42 is: 129,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,995.42 : 238,733.91 = 93,507.42 : x
  2. Step 2: Convert to fraction form
    172,995.42/238,733.91 = 93,507.42/x
  3. Step 3: Cross multiply
    172,995.42x = 238,733.91 × 93,507.42
  4. Step 4: Simplify right side
    172,995.42x = 22,323,391,990.61
  5. Step 5: Solve for x
    x = 22,323,391,990.61/172,995.42
  6. Step 6: Final answer
    x = 129,040.36

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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.