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Finding the Fourth Proportional to 201,023,781.40, 301,535,672.10 and 201,023,781.40

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Solution

The fourth proportional to 201,023,781.40, 301,535,672.10 and 201,023,781.40 is: 301,535,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,023,781.40 : 301,535,672.10 = 201,023,781.40 : x
  2. Step 2: Convert to fraction form
    201,023,781.40/301,535,672.10 = 201,023,781.40/x
  3. Step 3: Cross multiply
    201,023,781.40x = 301,535,672.10 × 201,023,781.40
  4. Step 4: Simplify right side
    201,023,781.40x = 60,615,841,032,532,488
  5. Step 5: Solve for x
    x = 60,615,841,032,532,488/201,023,781.40
  6. Step 6: Final answer
    x = 301,535,672.10

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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.