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Finding the Fourth Proportional to 63,429,620.40, 88,610,149.80 and 63,429,620.40

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Solution

The fourth proportional to 63,429,620.40, 88,610,149.80 and 63,429,620.40 is: 88,610,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,429,620.40 : 88,610,149.80 = 63,429,620.40 : x
  2. Step 2: Convert to fraction form
    63,429,620.40/88,610,149.80 = 63,429,620.40/x
  3. Step 3: Cross multiply
    63,429,620.40x = 88,610,149.80 × 63,429,620.40
  4. Step 4: Simplify right side
    63,429,620.40x = 5,620,508,165,401,136
  5. Step 5: Solve for x
    x = 5,620,508,165,401,136/63,429,620.40
  6. Step 6: Final answer
    x = 88,610,149.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.