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Finding the Fourth Proportional to 85,132.76, 117,485.88 and 46,895.08

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Solution

The fourth proportional to 85,132.76, 117,485.88 and 46,895.08 is: 64,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.76 : 117,485.88 = 46,895.08 : x
  2. Step 2: Convert to fraction form
    85,132.76/117,485.88 = 46,895.08/x
  3. Step 3: Cross multiply
    85,132.76x = 117,485.88 × 46,895.08
  4. Step 4: Simplify right side
    85,132.76x = 5,509,509,741.47
  5. Step 5: Solve for x
    x = 5,509,509,741.47/85,132.76
  6. Step 6: Final answer
    x = 64,716.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.