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Finding the Fourth Proportional to 172,874.25, 238,566.48 and 93,386.25

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Solution

The fourth proportional to 172,874.25, 238,566.48 and 93,386.25 is: 128,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,874.25 : 238,566.48 = 93,386.25 : x
  2. Step 2: Convert to fraction form
    172,874.25/238,566.48 = 93,386.25/x
  3. Step 3: Cross multiply
    172,874.25x = 238,566.48 × 93,386.25
  4. Step 4: Simplify right side
    172,874.25x = 22,278,828,942.90
  5. Step 5: Solve for x
    x = 22,278,828,942.90/172,874.25
  6. Step 6: Final answer
    x = 128,873.03

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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.