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Finding the Fourth Proportional to 194,178.18, 291,279.84 and 61,063.59

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Solution

The fourth proportional to 194,178.18, 291,279.84 and 61,063.59 is: 91,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,178.18 : 291,279.84 = 61,063.59 : x
  2. Step 2: Convert to fraction form
    194,178.18/291,279.84 = 61,063.59/x
  3. Step 3: Cross multiply
    194,178.18x = 291,279.84 × 61,063.59
  4. Step 4: Simplify right side
    194,178.18x = 17,786,592,419.71
  5. Step 5: Solve for x
    x = 17,786,592,419.71/194,178.18
  6. Step 6: Final answer
    x = 91,599.34

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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.