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Finding the Fourth Proportional to 172,828.68, 259,204.08 and 62,020.68

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Solution

The fourth proportional to 172,828.68, 259,204.08 and 62,020.68 is: 93,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,828.68 : 259,204.08 = 62,020.68 : x
  2. Step 2: Convert to fraction form
    172,828.68/259,204.08 = 62,020.68/x
  3. Step 3: Cross multiply
    172,828.68x = 259,204.08 × 62,020.68
  4. Step 4: Simplify right side
    172,828.68x = 16,076,013,300.37
  5. Step 5: Solve for x
    x = 16,076,013,300.37/172,828.68
  6. Step 6: Final answer
    x = 93,017.05

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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.