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Finding the Fourth Proportional to 350,095.60, 525,143.40 and 172,948.60

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Solution

The fourth proportional to 350,095.60, 525,143.40 and 172,948.60 is: 259,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,095.60 : 525,143.40 = 172,948.60 : x
  2. Step 2: Convert to fraction form
    350,095.60/525,143.40 = 172,948.60/x
  3. Step 3: Cross multiply
    350,095.60x = 525,143.40 × 172,948.60
  4. Step 4: Simplify right side
    350,095.60x = 90,822,815,829.24
  5. Step 5: Solve for x
    x = 90,822,815,829.24/350,095.60
  6. Step 6: Final answer
    x = 259,422.90

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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.