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Finding the Fourth Proportional to 53,284,510.80, 79,926,766.20 and 53,284,510.80

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Solution

The fourth proportional to 53,284,510.80, 79,926,766.20 and 53,284,510.80 is: 79,926,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,284,510.80 : 79,926,766.20 = 53,284,510.80 : x
  2. Step 2: Convert to fraction form
    53,284,510.80/79,926,766.20 = 53,284,510.80/x
  3. Step 3: Cross multiply
    53,284,510.80x = 79,926,766.20 × 53,284,510.80
  4. Step 4: Simplify right side
    53,284,510.80x = 4,258,858,636,792,975
  5. Step 5: Solve for x
    x = 4,258,858,636,792,975/53,284,510.80
  6. Step 6: Final answer
    x = 79,926,766.20

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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.