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Finding the Fourth Proportional to 94,057.98, 129,801.64 and 51,620.46

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Solution

The fourth proportional to 94,057.98, 129,801.64 and 51,620.46 is: 71,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,057.98 : 129,801.64 = 51,620.46 : x
  2. Step 2: Convert to fraction form
    94,057.98/129,801.64 = 51,620.46/x
  3. Step 3: Cross multiply
    94,057.98x = 129,801.64 × 51,620.46
  4. Step 4: Simplify right side
    94,057.98x = 6,700,420,365.55
  5. Step 5: Solve for x
    x = 6,700,420,365.55/94,057.98
  6. Step 6: Final answer
    x = 71,237.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.