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Finding the Fourth Proportional to 172,487.93, 258,424.08 and 93,551.81

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Solution

The fourth proportional to 172,487.93, 258,424.08 and 93,551.81 is: 140,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,487.93 : 258,424.08 = 93,551.81 : x
  2. Step 2: Convert to fraction form
    172,487.93/258,424.08 = 93,551.81/x
  3. Step 3: Cross multiply
    172,487.93x = 258,424.08 × 93,551.81
  4. Step 4: Simplify right side
    172,487.93x = 24,176,040,431.58
  5. Step 5: Solve for x
    x = 24,176,040,431.58/172,487.93
  6. Step 6: Final answer
    x = 140,160.77

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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.