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Finding the Fourth Proportional to 68,185.67, 94,094.48 and 66,173.63

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Solution

The fourth proportional to 68,185.67, 94,094.48 and 66,173.63 is: 91,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,185.67 : 94,094.48 = 66,173.63 : x
  2. Step 2: Convert to fraction form
    68,185.67/94,094.48 = 66,173.63/x
  3. Step 3: Cross multiply
    68,185.67x = 94,094.48 × 66,173.63
  4. Step 4: Simplify right side
    68,185.67x = 6,226,572,973.69
  5. Step 5: Solve for x
    x = 6,226,572,973.69/68,185.67
  6. Step 6: Final answer
    x = 91,317.91

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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.