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Finding the Fourth Proportional to 172,549.58, 258,886.65 and 60,246.34

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Solution

The fourth proportional to 172,549.58, 258,886.65 and 60,246.34 is: 90,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,549.58 : 258,886.65 = 60,246.34 : x
  2. Step 2: Convert to fraction form
    172,549.58/258,886.65 = 60,246.34/x
  3. Step 3: Cross multiply
    172,549.58x = 258,886.65 × 60,246.34
  4. Step 4: Simplify right side
    172,549.58x = 15,596,972,836.13
  5. Step 5: Solve for x
    x = 15,596,972,836.13/172,549.58
  6. Step 6: Final answer
    x = 90,391.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.