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Finding the Fourth Proportional to 172,823.50, 238,496.46 and 93,335.50

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Solution

The fourth proportional to 172,823.50, 238,496.46 and 93,335.50 is: 128,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,823.50 : 238,496.46 = 93,335.50 : x
  2. Step 2: Convert to fraction form
    172,823.50/238,496.46 = 93,335.50/x
  3. Step 3: Cross multiply
    172,823.50x = 238,496.46 × 93,335.50
  4. Step 4: Simplify right side
    172,823.50x = 22,260,186,342.33
  5. Step 5: Solve for x
    x = 22,260,186,342.33/172,823.50
  6. Step 6: Final answer
    x = 128,803.01

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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.