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Finding the Fourth Proportional to 85,460.52, 117,915.36 and 49,629.26

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Solution

The fourth proportional to 85,460.52, 117,915.36 and 49,629.26 is: 68,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,460.52 : 117,915.36 = 49,629.26 : x
  2. Step 2: Convert to fraction form
    85,460.52/117,915.36 = 49,629.26/x
  3. Step 3: Cross multiply
    85,460.52x = 117,915.36 × 49,629.26
  4. Step 4: Simplify right side
    85,460.52x = 5,852,052,059.43
  5. Step 5: Solve for x
    x = 5,852,052,059.43/85,460.52
  6. Step 6: Final answer
    x = 68,476.67

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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.