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Finding the Fourth Proportional to 84,605.88, 116,743.50 and 52,372.92

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Solution

The fourth proportional to 84,605.88, 116,743.50 and 52,372.92 is: 72,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,605.88 : 116,743.50 = 52,372.92 : x
  2. Step 2: Convert to fraction form
    84,605.88/116,743.50 = 52,372.92/x
  3. Step 3: Cross multiply
    84,605.88x = 116,743.50 × 52,372.92
  4. Step 4: Simplify right side
    84,605.88x = 6,114,197,986.02
  5. Step 5: Solve for x
    x = 6,114,197,986.02/84,605.88
  6. Step 6: Final answer
    x = 72,266.82

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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.