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Finding the Fourth Proportional to 124,392.96, 186,667.20 and 50,520.96

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Solution

The fourth proportional to 124,392.96, 186,667.20 and 50,520.96 is: 75,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,392.96 : 186,667.20 = 50,520.96 : x
  2. Step 2: Convert to fraction form
    124,392.96/186,667.20 = 50,520.96/x
  3. Step 3: Cross multiply
    124,392.96x = 186,667.20 × 50,520.96
  4. Step 4: Simplify right side
    124,392.96x = 9,430,606,144.51
  5. Step 5: Solve for x
    x = 9,430,606,144.51/124,392.96
  6. Step 6: Final answer
    x = 75,813.02

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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.