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Finding the Fourth Proportional to 186,627.84, 279,884.34 and 53,472.42

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Solution

The fourth proportional to 186,627.84, 279,884.34 and 53,472.42 is: 80,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,627.84 : 279,884.34 = 53,472.42 : x
  2. Step 2: Convert to fraction form
    186,627.84/279,884.34 = 53,472.42/x
  3. Step 3: Cross multiply
    186,627.84x = 279,884.34 × 53,472.42
  4. Step 4: Simplify right side
    186,627.84x = 14,966,092,979.90
  5. Step 5: Solve for x
    x = 14,966,092,979.90/186,627.84
  6. Step 6: Final answer
    x = 80,192.18

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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.