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Finding the Fourth Proportional to 186,392.88, 279,598.53 and 53,292.72

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Solution

The fourth proportional to 186,392.88, 279,598.53 and 53,292.72 is: 79,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,392.88 : 279,598.53 = 53,292.72 : x
  2. Step 2: Convert to fraction form
    186,392.88/279,598.53 = 53,292.72/x
  3. Step 3: Cross multiply
    186,392.88x = 279,598.53 × 53,292.72
  4. Step 4: Simplify right side
    186,392.88x = 14,900,566,171.70
  5. Step 5: Solve for x
    x = 14,900,566,171.70/186,392.88
  6. Step 6: Final answer
    x = 79,941.71

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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.