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Finding the Fourth Proportional to 186,624,383.60, 279,936,575.40 and 65,468,082.80

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Solution

The fourth proportional to 186,624,383.60, 279,936,575.40 and 65,468,082.80 is: 98,202,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,383.60 : 279,936,575.40 = 65,468,082.80 : x
  2. Step 2: Convert to fraction form
    186,624,383.60/279,936,575.40 = 65,468,082.80/x
  3. Step 3: Cross multiply
    186,624,383.60x = 279,936,575.40 × 65,468,082.80
  4. Step 4: Simplify right side
    186,624,383.60x = 18,326,910,897,035,640
  5. Step 5: Solve for x
    x = 18,326,910,897,035,640/186,624,383.60
  6. Step 6: Final answer
    x = 98,202,124.20

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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.