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Finding the Fourth Proportional to 197,603.45, 296,436.17 and 64,452.97

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Solution

The fourth proportional to 197,603.45, 296,436.17 and 64,452.97 is: 96,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,603.45 : 296,436.17 = 64,452.97 : x
  2. Step 2: Convert to fraction form
    197,603.45/296,436.17 = 64,452.97/x
  3. Step 3: Cross multiply
    197,603.45x = 296,436.17 × 64,452.97
  4. Step 4: Simplify right side
    197,603.45x = 19,106,191,741.05
  5. Step 5: Solve for x
    x = 19,106,191,741.05/197,603.45
  6. Step 6: Final answer
    x = 96,689.56

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1.5x scale

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.