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Finding the Fourth Proportional to 85,473.57, 117,948.33 and 47,232.24

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Solution

The fourth proportional to 85,473.57, 117,948.33 and 47,232.24 is: 65,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,473.57 : 117,948.33 = 47,232.24 : x
  2. Step 2: Convert to fraction form
    85,473.57/117,948.33 = 47,232.24/x
  3. Step 3: Cross multiply
    85,473.57x = 117,948.33 × 47,232.24
  4. Step 4: Simplify right side
    85,473.57x = 5,570,963,830.16
  5. Step 5: Solve for x
    x = 5,570,963,830.16/85,473.57
  6. Step 6: Final answer
    x = 65,177.62

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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.