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Finding the Fourth Proportional to 194,622.52, 291,932.02 and 61,502.80

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Solution

The fourth proportional to 194,622.52, 291,932.02 and 61,502.80 is: 92,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,622.52 : 291,932.02 = 61,502.80 : x
  2. Step 2: Convert to fraction form
    194,622.52/291,932.02 = 61,502.80/x
  3. Step 3: Cross multiply
    194,622.52x = 291,932.02 × 61,502.80
  4. Step 4: Simplify right side
    194,622.52x = 17,954,636,639.66
  5. Step 5: Solve for x
    x = 17,954,636,639.66/194,622.52
  6. Step 6: Final answer
    x = 92,253.64

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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.