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Finding the Fourth Proportional to 85,352.67, 117,830.97 and 62,356.70

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Solution

The fourth proportional to 85,352.67, 117,830.97 and 62,356.70 is: 86,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,352.67 : 117,830.97 = 62,356.70 : x
  2. Step 2: Convert to fraction form
    85,352.67/117,830.97 = 62,356.70/x
  3. Step 3: Cross multiply
    85,352.67x = 117,830.97 × 62,356.70
  4. Step 4: Simplify right side
    85,352.67x = 7,347,550,447.00
  5. Step 5: Solve for x
    x = 7,347,550,447.00/85,352.67
  6. Step 6: Final answer
    x = 86,084.60

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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.