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Finding the Fourth Proportional to 194,499.60, 292,186.80 and 187,063.80

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Solution

The fourth proportional to 194,499.60, 292,186.80 and 187,063.80 is: 281,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,499.60 : 292,186.80 = 187,063.80 : x
  2. Step 2: Convert to fraction form
    194,499.60/292,186.80 = 187,063.80/x
  3. Step 3: Cross multiply
    194,499.60x = 292,186.80 × 187,063.80
  4. Step 4: Simplify right side
    194,499.60x = 54,657,573,117.84
  5. Step 5: Solve for x
    x = 54,657,573,117.84/194,499.60
  6. Step 6: Final answer
    x = 281,016.38

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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.