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Finding the Fourth Proportional to 186,282, 279,449.28 and 59,879.88

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Solution

The fourth proportional to 186,282, 279,449.28 and 59,879.88 is: 89,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,282 : 279,449.28 = 59,879.88 : x
  2. Step 2: Convert to fraction form
    186,282/279,449.28 = 59,879.88/x
  3. Step 3: Cross multiply
    186,282x = 279,449.28 × 59,879.88
  4. Step 4: Simplify right side
    186,282x = 16,733,389,352.49
  5. Step 5: Solve for x
    x = 16,733,389,352.49/186,282
  6. Step 6: Final answer
    x = 89,828.27

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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.