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Finding the Fourth Proportional to 39,576,876.80, 59,365,315.20 and 39,576,876.80

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Solution

The fourth proportional to 39,576,876.80, 59,365,315.20 and 39,576,876.80 is: 59,365,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576,876.80 : 59,365,315.20 = 39,576,876.80 : x
  2. Step 2: Convert to fraction form
    39,576,876.80/59,365,315.20 = 39,576,876.80/x
  3. Step 3: Cross multiply
    39,576,876.80x = 59,365,315.20 × 39,576,876.80
  4. Step 4: Simplify right side
    39,576,876.80x = 2,349,493,765,863,567.50
  5. Step 5: Solve for x
    x = 2,349,493,765,863,567.50/39,576,876.80
  6. Step 6: Final answer
    x = 59,365,315.20

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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.