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Finding the Fourth Proportional to 57,223.80, 79,957.80 and 57,223.80

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Solution

The fourth proportional to 57,223.80, 79,957.80 and 57,223.80 is: 79,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223.80 : 79,957.80 = 57,223.80 : x
  2. Step 2: Convert to fraction form
    57,223.80/79,957.80 = 57,223.80/x
  3. Step 3: Cross multiply
    57,223.80x = 79,957.80 × 57,223.80
  4. Step 4: Simplify right side
    57,223.80x = 4,575,489,155.64
  5. Step 5: Solve for x
    x = 4,575,489,155.64/57,223.80
  6. Step 6: Final answer
    x = 79,957.80

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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.