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Finding the Fourth Proportional to 201,793,582.70, 302,690,374.05 and 99,756,910.70

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Solution

The fourth proportional to 201,793,582.70, 302,690,374.05 and 99,756,910.70 is: 149,635,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,793,582.70 : 302,690,374.05 = 99,756,910.70 : x
  2. Step 2: Convert to fraction form
    201,793,582.70/302,690,374.05 = 99,756,910.70/x
  3. Step 3: Cross multiply
    201,793,582.70x = 302,690,374.05 × 99,756,910.70
  4. Step 4: Simplify right side
    201,793,582.70x = 30,195,456,613,855,448
  5. Step 5: Solve for x
    x = 30,195,456,613,855,448/201,793,582.70
  6. Step 6: Final answer
    x = 149,635,366.05

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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.