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Finding the Fourth Proportional to 186,172.43, 279,224.01 and 59,814.86

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Solution

The fourth proportional to 186,172.43, 279,224.01 and 59,814.86 is: 89,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,172.43 : 279,224.01 = 59,814.86 : x
  2. Step 2: Convert to fraction form
    186,172.43/279,224.01 = 59,814.86/x
  3. Step 3: Cross multiply
    186,172.43x = 279,224.01 × 59,814.86
  4. Step 4: Simplify right side
    186,172.43x = 16,701,743,670.67
  5. Step 5: Solve for x
    x = 16,701,743,670.67/186,172.43
  6. Step 6: Final answer
    x = 89,711.16

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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.