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Finding the Fourth Proportional to 235,746,715.52, 353,801,652.60 and 189,800,994.80

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Solution

The fourth proportional to 235,746,715.52, 353,801,652.60 and 189,800,994.80 is: 284,847,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,746,715.52 : 353,801,652.60 = 189,800,994.80 : x
  2. Step 2: Convert to fraction form
    235,746,715.52/353,801,652.60 = 189,800,994.80/x
  3. Step 3: Cross multiply
    235,746,715.52x = 353,801,652.60 × 189,800,994.80
  4. Step 4: Simplify right side
    235,746,715.52x = 67,151,905,625,364,016
  5. Step 5: Solve for x
    x = 67,151,905,625,364,016/235,746,715.52
  6. Step 6: Final answer
    x = 284,847,682.72

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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.