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Finding the Fourth Proportional to 186,605.02, 279,881.34 and 53,496.64

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Solution

The fourth proportional to 186,605.02, 279,881.34 and 53,496.64 is: 80,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605.02 : 279,881.34 = 53,496.64 : x
  2. Step 2: Convert to fraction form
    186,605.02/279,881.34 = 53,496.64/x
  3. Step 3: Cross multiply
    186,605.02x = 279,881.34 × 53,496.64
  4. Step 4: Simplify right side
    186,605.02x = 14,972,711,288.70
  5. Step 5: Solve for x
    x = 14,972,711,288.70/186,605.02
  6. Step 6: Final answer
    x = 80,237.45

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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.