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Finding the Fourth Proportional to 194,407.52, 291,650.16 and 61,308.32

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Solution

The fourth proportional to 194,407.52, 291,650.16 and 61,308.32 is: 91,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,407.52 : 291,650.16 = 61,308.32 : x
  2. Step 2: Convert to fraction form
    194,407.52/291,650.16 = 61,308.32/x
  3. Step 3: Cross multiply
    194,407.52x = 291,650.16 × 61,308.32
  4. Step 4: Simplify right side
    194,407.52x = 17,880,581,337.33
  5. Step 5: Solve for x
    x = 17,880,581,337.33/194,407.52
  6. Step 6: Final answer
    x = 91,974.74

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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.