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Finding the Fourth Proportional to 242,887.16, 364,331.64 and 74,406.80

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Solution

The fourth proportional to 242,887.16, 364,331.64 and 74,406.80 is: 111,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,887.16 : 364,331.64 = 74,406.80 : x
  2. Step 2: Convert to fraction form
    242,887.16/364,331.64 = 74,406.80/x
  3. Step 3: Cross multiply
    242,887.16x = 364,331.64 × 74,406.80
  4. Step 4: Simplify right side
    242,887.16x = 27,108,751,471.15
  5. Step 5: Solve for x
    x = 27,108,751,471.15/242,887.16
  6. Step 6: Final answer
    x = 111,610.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.