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Finding the Fourth Proportional to 186,672.32, 279,966.88 and 53,552

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Solution

The fourth proportional to 186,672.32, 279,966.88 and 53,552 is: 80,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,672.32 : 279,966.88 = 53,552 : x
  2. Step 2: Convert to fraction form
    186,672.32/279,966.88 = 53,552/x
  3. Step 3: Cross multiply
    186,672.32x = 279,966.88 × 53,552
  4. Step 4: Simplify right side
    186,672.32x = 14,992,786,357.76
  5. Step 5: Solve for x
    x = 14,992,786,357.76/186,672.32
  6. Step 6: Final answer
    x = 80,316.07

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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.