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Finding the Fourth Proportional to 96,804,532.60, 145,206,798.90 and 45,786,196.60

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Solution

The fourth proportional to 96,804,532.60, 145,206,798.90 and 45,786,196.60 is: 68,679,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,804,532.60 : 145,206,798.90 = 45,786,196.60 : x
  2. Step 2: Convert to fraction form
    96,804,532.60/145,206,798.90 = 45,786,196.60/x
  3. Step 3: Cross multiply
    96,804,532.60x = 145,206,798.90 × 45,786,196.60
  4. Step 4: Simplify right side
    96,804,532.60x = 6,648,467,042,092,064
  5. Step 5: Solve for x
    x = 6,648,467,042,092,064/96,804,532.60
  6. Step 6: Final answer
    x = 68,679,294.90

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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.