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Finding the Fourth Proportional to 132,803.32, 183,268.58 and 73,187.32

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Solution

The fourth proportional to 132,803.32, 183,268.58 and 73,187.32 is: 100,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,803.32 : 183,268.58 = 73,187.32 : x
  2. Step 2: Convert to fraction form
    132,803.32/183,268.58 = 73,187.32/x
  3. Step 3: Cross multiply
    132,803.32x = 183,268.58 × 73,187.32
  4. Step 4: Simplify right side
    132,803.32x = 13,412,934,928.13
  5. Step 5: Solve for x
    x = 13,412,934,928.13/132,803.32
  6. Step 6: Final answer
    x = 100,998.49

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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.