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Finding the Fourth Proportional to 186,348.60, 279,436.84 and 59,965.32

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Solution

The fourth proportional to 186,348.60, 279,436.84 and 59,965.32 is: 89,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,348.60 : 279,436.84 = 59,965.32 : x
  2. Step 2: Convert to fraction form
    186,348.60/279,436.84 = 59,965.32/x
  3. Step 3: Cross multiply
    186,348.60x = 279,436.84 × 59,965.32
  4. Step 4: Simplify right side
    186,348.60x = 16,756,519,530.39
  5. Step 5: Solve for x
    x = 16,756,519,530.39/186,348.60
  6. Step 6: Final answer
    x = 89,920.29

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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.