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Finding the Fourth Proportional to 350,053.20, 525,079.80 and 163,083.60

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Solution

The fourth proportional to 350,053.20, 525,079.80 and 163,083.60 is: 244,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,053.20 : 525,079.80 = 163,083.60 : x
  2. Step 2: Convert to fraction form
    350,053.20/525,079.80 = 163,083.60/x
  3. Step 3: Cross multiply
    350,053.20x = 525,079.80 × 163,083.60
  4. Step 4: Simplify right side
    350,053.20x = 85,631,904,071.28
  5. Step 5: Solve for x
    x = 85,631,904,071.28/350,053.20
  6. Step 6: Final answer
    x = 244,625.40

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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.