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Finding the Fourth Proportional to 197,580.79, 296,360.73 and 55,435.96

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Solution

The fourth proportional to 197,580.79, 296,360.73 and 55,435.96 is: 83,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,580.79 : 296,360.73 = 55,435.96 : x
  2. Step 2: Convert to fraction form
    197,580.79/296,360.73 = 55,435.96/x
  3. Step 3: Cross multiply
    197,580.79x = 296,360.73 × 55,435.96
  4. Step 4: Simplify right side
    197,580.79x = 16,429,041,573.85
  5. Step 5: Solve for x
    x = 16,429,041,573.85/197,580.79
  6. Step 6: Final answer
    x = 83,151.01

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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.