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Finding the Fourth Proportional to 186,056.48, 279,096.56 and 61,398.56

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Solution

The fourth proportional to 186,056.48, 279,096.56 and 61,398.56 is: 92,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,056.48 : 279,096.56 = 61,398.56 : x
  2. Step 2: Convert to fraction form
    186,056.48/279,096.56 = 61,398.56/x
  3. Step 3: Cross multiply
    186,056.48x = 279,096.56 × 61,398.56
  4. Step 4: Simplify right side
    186,056.48x = 17,136,126,884.95
  5. Step 5: Solve for x
    x = 17,136,126,884.95/186,056.48
  6. Step 6: Final answer
    x = 92,101.75

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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.