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Finding the Fourth Proportional to 79,282.32, 118,923.48 and 32,502.40

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Solution

The fourth proportional to 79,282.32, 118,923.48 and 32,502.40 is: 48,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.32 : 118,923.48 = 32,502.40 : x
  2. Step 2: Convert to fraction form
    79,282.32/118,923.48 = 32,502.40/x
  3. Step 3: Cross multiply
    79,282.32x = 118,923.48 × 32,502.40
  4. Step 4: Simplify right side
    79,282.32x = 3,865,298,516.35
  5. Step 5: Solve for x
    x = 3,865,298,516.35/79,282.32
  6. Step 6: Final answer
    x = 48,753.60

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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.