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Finding the Fourth Proportional to 201,793,574.70, 302,690,362.05 and 99,756,902.70

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Solution

The fourth proportional to 201,793,574.70, 302,690,362.05 and 99,756,902.70 is: 149,635,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,793,574.70 : 302,690,362.05 = 99,756,902.70 : x
  2. Step 2: Convert to fraction form
    201,793,574.70/302,690,362.05 = 99,756,902.70/x
  3. Step 3: Cross multiply
    201,793,574.70x = 302,690,362.05 × 99,756,902.70
  4. Step 4: Simplify right side
    201,793,574.70x = 30,195,452,995,249,624
  5. Step 5: Solve for x
    x = 30,195,452,995,249,624/201,793,574.70
  6. Step 6: Final answer
    x = 149,635,354.05

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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.