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Finding the Fourth Proportional to 85,334.25, 117,805.54 and 62,338.25

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Solution

The fourth proportional to 85,334.25, 117,805.54 and 62,338.25 is: 86,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334.25 : 117,805.54 = 62,338.25 : x
  2. Step 2: Convert to fraction form
    85,334.25/117,805.54 = 62,338.25/x
  3. Step 3: Cross multiply
    85,334.25x = 117,805.54 × 62,338.25
  4. Step 4: Simplify right side
    85,334.25x = 7,343,790,892.21
  5. Step 5: Solve for x
    x = 7,343,790,892.21/85,334.25
  6. Step 6: Final answer
    x = 86,059.13

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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.