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Finding the Fourth Proportional to 295,317.20, 443,040.60 and 95,603.60

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Solution

The fourth proportional to 295,317.20, 443,040.60 and 95,603.60 is: 143,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,317.20 : 443,040.60 = 95,603.60 : x
  2. Step 2: Convert to fraction form
    295,317.20/443,040.60 = 95,603.60/x
  3. Step 3: Cross multiply
    295,317.20x = 443,040.60 × 95,603.60
  4. Step 4: Simplify right side
    295,317.20x = 42,356,276,306.16
  5. Step 5: Solve for x
    x = 42,356,276,306.16/295,317.20
  6. Step 6: Final answer
    x = 143,426.38

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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.