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Finding the Fourth Proportional to 194,515.92, 291,774.04 and 61,409.68

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Solution

The fourth proportional to 194,515.92, 291,774.04 and 61,409.68 is: 92,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,515.92 : 291,774.04 = 61,409.68 : x
  2. Step 2: Convert to fraction form
    194,515.92/291,774.04 = 61,409.68/x
  3. Step 3: Cross multiply
    194,515.92x = 291,774.04 × 61,409.68
  4. Step 4: Simplify right side
    194,515.92x = 17,917,750,428.71
  5. Step 5: Solve for x
    x = 17,917,750,428.71/194,515.92
  6. Step 6: Final answer
    x = 92,114.57

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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.