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Finding the Fourth Proportional to 85,473.44, 117,950.40 and 47,230.76

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Solution

The fourth proportional to 85,473.44, 117,950.40 and 47,230.76 is: 65,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,473.44 : 117,950.40 = 47,230.76 : x
  2. Step 2: Convert to fraction form
    85,473.44/117,950.40 = 47,230.76/x
  3. Step 3: Cross multiply
    85,473.44x = 117,950.40 × 47,230.76
  4. Step 4: Simplify right side
    85,473.44x = 5,570,887,034.30
  5. Step 5: Solve for x
    x = 5,570,887,034.30/85,473.44
  6. Step 6: Final answer
    x = 65,176.82

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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.