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Finding the Fourth Proportional to 186,329.88, 279,505.58 and 53,199.90

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Solution

The fourth proportional to 186,329.88, 279,505.58 and 53,199.90 is: 79,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,329.88 : 279,505.58 = 53,199.90 : x
  2. Step 2: Convert to fraction form
    186,329.88/279,505.58 = 53,199.90/x
  3. Step 3: Cross multiply
    186,329.88x = 279,505.58 × 53,199.90
  4. Step 4: Simplify right side
    186,329.88x = 14,869,668,639.44
  5. Step 5: Solve for x
    x = 14,869,668,639.44/186,329.88
  6. Step 6: Final answer
    x = 79,802.92

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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.