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Finding the Fourth Proportional to 92,271.99, 138,407.99 and 52,801.20

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Solution

The fourth proportional to 92,271.99, 138,407.99 and 52,801.20 is: 79,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,271.99 : 138,407.99 = 52,801.20 : x
  2. Step 2: Convert to fraction form
    92,271.99/138,407.99 = 52,801.20/x
  3. Step 3: Cross multiply
    92,271.99x = 138,407.99 × 52,801.20
  4. Step 4: Simplify right side
    92,271.99x = 7,308,107,697.58
  5. Step 5: Solve for x
    x = 7,308,107,697.58/92,271.99
  6. Step 6: Final answer
    x = 79,201.80

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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.