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Finding the Fourth Proportional to 295,603.30, 443,318.55 and 106,041.70

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Solution

The fourth proportional to 295,603.30, 443,318.55 and 106,041.70 is: 159,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,603.30 : 443,318.55 = 106,041.70 : x
  2. Step 2: Convert to fraction form
    295,603.30/443,318.55 = 106,041.70/x
  3. Step 3: Cross multiply
    295,603.30x = 443,318.55 × 106,041.70
  4. Step 4: Simplify right side
    295,603.30x = 47,010,252,683.54
  5. Step 5: Solve for x
    x = 47,010,252,683.54/295,603.30
  6. Step 6: Final answer
    x = 159,031.56

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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.