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Finding the Fourth Proportional to 350,077.80, 525,116.70 and 172,669.80

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Solution

The fourth proportional to 350,077.80, 525,116.70 and 172,669.80 is: 259,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,077.80 : 525,116.70 = 172,669.80 : x
  2. Step 2: Convert to fraction form
    350,077.80/525,116.70 = 172,669.80/x
  3. Step 3: Cross multiply
    350,077.80x = 525,116.70 × 172,669.80
  4. Step 4: Simplify right side
    350,077.80x = 90,671,795,565.66
  5. Step 5: Solve for x
    x = 90,671,795,565.66/350,077.80
  6. Step 6: Final answer
    x = 259,004.70

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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.