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Finding the Fourth Proportional to 172,484.34, 258,769.56 and 60,166.16

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Solution

The fourth proportional to 172,484.34, 258,769.56 and 60,166.16 is: 90,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,484.34 : 258,769.56 = 60,166.16 : x
  2. Step 2: Convert to fraction form
    172,484.34/258,769.56 = 60,166.16/x
  3. Step 3: Cross multiply
    172,484.34x = 258,769.56 × 60,166.16
  4. Step 4: Simplify right side
    172,484.34x = 15,569,170,750.09
  5. Step 5: Solve for x
    x = 15,569,170,750.09/172,484.34
  6. Step 6: Final answer
    x = 90,264.26

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1.5x scale

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.