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Finding the Fourth Proportional to 159,992.24, 220,783.56 and 88,368.56

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Solution

The fourth proportional to 159,992.24, 220,783.56 and 88,368.56 is: 121,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,992.24 : 220,783.56 = 88,368.56 : x
  2. Step 2: Convert to fraction form
    159,992.24/220,783.56 = 88,368.56/x
  3. Step 3: Cross multiply
    159,992.24x = 220,783.56 × 88,368.56
  4. Step 4: Simplify right side
    159,992.24x = 19,510,325,268.87
  5. Step 5: Solve for x
    x = 19,510,325,268.87/159,992.24
  6. Step 6: Final answer
    x = 121,945.45

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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.