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Finding the Fourth Proportional to 201,788,880.90, 302,205,024.45 and 201,788,880.90

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Solution

The fourth proportional to 201,788,880.90, 302,205,024.45 and 201,788,880.90 is: 302,205,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,788,880.90 : 302,205,024.45 = 201,788,880.90 : x
  2. Step 2: Convert to fraction form
    201,788,880.90/302,205,024.45 = 201,788,880.90/x
  3. Step 3: Cross multiply
    201,788,880.90x = 302,205,024.45 × 201,788,880.90
  4. Step 4: Simplify right side
    201,788,880.90x = 60,981,613,686,122,640
  5. Step 5: Solve for x
    x = 60,981,613,686,122,640/201,788,880.90
  6. Step 6: Final answer
    x = 302,205,024.45

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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.