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Finding the Fourth Proportional to 350,062.80, 525,094.20 and 172,654.80

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Solution

The fourth proportional to 350,062.80, 525,094.20 and 172,654.80 is: 258,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,062.80 : 525,094.20 = 172,654.80 : x
  2. Step 2: Convert to fraction form
    350,062.80/525,094.20 = 172,654.80/x
  3. Step 3: Cross multiply
    350,062.80x = 525,094.20 × 172,654.80
  4. Step 4: Simplify right side
    350,062.80x = 90,660,034,082.16
  5. Step 5: Solve for x
    x = 90,660,034,082.16/350,062.80
  6. Step 6: Final answer
    x = 258,982.20

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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.