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Finding the Fourth Proportional to 236,127.96, 354,243.78 and 69,928.92

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Solution

The fourth proportional to 236,127.96, 354,243.78 and 69,928.92 is: 104,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,127.96 : 354,243.78 = 69,928.92 : x
  2. Step 2: Convert to fraction form
    236,127.96/354,243.78 = 69,928.92/x
  3. Step 3: Cross multiply
    236,127.96x = 354,243.78 × 69,928.92
  4. Step 4: Simplify right side
    236,127.96x = 24,771,884,952.12
  5. Step 5: Solve for x
    x = 24,771,884,952.12/236,127.96
  6. Step 6: Final answer
    x = 104,908.73

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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.