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Finding the Fourth Proportional to 172,306.16, 258,754.48 and 93,574.16

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Solution

The fourth proportional to 172,306.16, 258,754.48 and 93,574.16 is: 140,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,306.16 : 258,754.48 = 93,574.16 : x
  2. Step 2: Convert to fraction form
    172,306.16/258,754.48 = 93,574.16/x
  3. Step 3: Cross multiply
    172,306.16x = 258,754.48 × 93,574.16
  4. Step 4: Simplify right side
    172,306.16x = 24,212,733,112.24
  5. Step 5: Solve for x
    x = 24,212,733,112.24/172,306.16
  6. Step 6: Final answer
    x = 140,521.58

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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.