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Finding the Fourth Proportional to 79,088.80, 118,575.60 and 32,317.60

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Solution

The fourth proportional to 79,088.80, 118,575.60 and 32,317.60 is: 48,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.80 : 118,575.60 = 32,317.60 : x
  2. Step 2: Convert to fraction form
    79,088.80/118,575.60 = 32,317.60/x
  3. Step 3: Cross multiply
    79,088.80x = 118,575.60 × 32,317.60
  4. Step 4: Simplify right side
    79,088.80x = 3,832,078,810.56
  5. Step 5: Solve for x
    x = 3,832,078,810.56/79,088.80
  6. Step 6: Final answer
    x = 48,452.86

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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.