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Finding the Fourth Proportional to 201,452,584.40, 302,178,876.60 and 99,195,462.80

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Solution

The fourth proportional to 201,452,584.40, 302,178,876.60 and 99,195,462.80 is: 148,793,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,452,584.40 : 302,178,876.60 = 99,195,462.80 : x
  2. Step 2: Convert to fraction form
    201,452,584.40/302,178,876.60 = 99,195,462.80/x
  3. Step 3: Cross multiply
    201,452,584.40x = 302,178,876.60 × 99,195,462.80
  4. Step 4: Simplify right side
    201,452,584.40x = 29,974,773,512,721,092
  5. Step 5: Solve for x
    x = 29,974,773,512,721,092/201,452,584.40
  6. Step 6: Final answer
    x = 148,793,194.20

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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.