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Finding the Fourth Proportional to 85,047.66, 117,350.64 and 49,235.94

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Solution

The fourth proportional to 85,047.66, 117,350.64 and 49,235.94 is: 67,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,047.66 : 117,350.64 = 49,235.94 : x
  2. Step 2: Convert to fraction form
    85,047.66/117,350.64 = 49,235.94/x
  3. Step 3: Cross multiply
    85,047.66x = 117,350.64 × 49,235.94
  4. Step 4: Simplify right side
    85,047.66x = 5,777,869,070.00
  5. Step 5: Solve for x
    x = 5,777,869,070.00/85,047.66
  6. Step 6: Final answer
    x = 67,936.84

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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.