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Finding the Fourth Proportional to 186,690,035.60, 280,035,053.40 and 50,375,200.40

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Solution

The fourth proportional to 186,690,035.60, 280,035,053.40 and 50,375,200.40 is: 75,562,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,690,035.60 : 280,035,053.40 = 50,375,200.40 : x
  2. Step 2: Convert to fraction form
    186,690,035.60/280,035,053.40 = 50,375,200.40/x
  3. Step 3: Cross multiply
    186,690,035.60x = 280,035,053.40 × 50,375,200.40
  4. Step 4: Simplify right side
    186,690,035.60x = 14,106,821,934,049,700
  5. Step 5: Solve for x
    x = 14,106,821,934,049,700/186,690,035.60
  6. Step 6: Final answer
    x = 75,562,800.60

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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.