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Finding the Fourth Proportional to 94,887, 130,944.06 and 57,169.08

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Solution

The fourth proportional to 94,887, 130,944.06 and 57,169.08 is: 78,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,887 : 130,944.06 = 57,169.08 : x
  2. Step 2: Convert to fraction form
    94,887/130,944.06 = 57,169.08/x
  3. Step 3: Cross multiply
    94,887x = 130,944.06 × 57,169.08
  4. Step 4: Simplify right side
    94,887x = 7,485,951,441.66
  5. Step 5: Solve for x
    x = 7,485,951,441.66/94,887
  6. Step 6: Final answer
    x = 78,893.33

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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.