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Finding the Fourth Proportional to 197,358.83, 296,041.01 and 64,239.78

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Solution

The fourth proportional to 197,358.83, 296,041.01 and 64,239.78 is: 96,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,358.83 : 296,041.01 = 64,239.78 : x
  2. Step 2: Convert to fraction form
    197,358.83/296,041.01 = 64,239.78/x
  3. Step 3: Cross multiply
    197,358.83x = 296,041.01 × 64,239.78
  4. Step 4: Simplify right side
    197,358.83x = 19,017,609,032.18
  5. Step 5: Solve for x
    x = 19,017,609,032.18/197,358.83
  6. Step 6: Final answer
    x = 96,360.57

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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.