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Finding the Fourth Proportional to 147,603.44, 203,697.24 and 83,950.40

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Solution

The fourth proportional to 147,603.44, 203,697.24 and 83,950.40 is: 115,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,603.44 : 203,697.24 = 83,950.40 : x
  2. Step 2: Convert to fraction form
    147,603.44/203,697.24 = 83,950.40/x
  3. Step 3: Cross multiply
    147,603.44x = 203,697.24 × 83,950.40
  4. Step 4: Simplify right side
    147,603.44x = 17,100,464,776.90
  5. Step 5: Solve for x
    x = 17,100,464,776.90/147,603.44
  6. Step 6: Final answer
    x = 115,854.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.