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Finding the Fourth Proportional to 75,325.48, 112,947.21 and 48,667.77

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Solution

The fourth proportional to 75,325.48, 112,947.21 and 48,667.77 is: 72,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,325.48 : 112,947.21 = 48,667.77 : x
  2. Step 2: Convert to fraction form
    75,325.48/112,947.21 = 48,667.77/x
  3. Step 3: Cross multiply
    75,325.48x = 112,947.21 × 48,667.77
  4. Step 4: Simplify right side
    75,325.48x = 5,496,888,838.42
  5. Step 5: Solve for x
    x = 5,496,888,838.42/75,325.48
  6. Step 6: Final answer
    x = 72,975.16

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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.