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Finding the Fourth Proportional to 295,503.78, 443,293.98 and 135,541.14

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Solution

The fourth proportional to 295,503.78, 443,293.98 and 135,541.14 is: 203,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,503.78 : 443,293.98 = 135,541.14 : x
  2. Step 2: Convert to fraction form
    295,503.78/443,293.98 = 135,541.14/x
  3. Step 3: Cross multiply
    295,503.78x = 443,293.98 × 135,541.14
  4. Step 4: Simplify right side
    295,503.78x = 60,084,571,404.34
  5. Step 5: Solve for x
    x = 60,084,571,404.34/295,503.78
  6. Step 6: Final answer
    x = 203,329.28

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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.