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Finding the Fourth Proportional to 115,329.80, 172,994.70 and 32,223.80

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Solution

The fourth proportional to 115,329.80, 172,994.70 and 32,223.80 is: 48,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,329.80 : 172,994.70 = 32,223.80 : x
  2. Step 2: Convert to fraction form
    115,329.80/172,994.70 = 32,223.80/x
  3. Step 3: Cross multiply
    115,329.80x = 172,994.70 × 32,223.80
  4. Step 4: Simplify right side
    115,329.80x = 5,574,546,613.86
  5. Step 5: Solve for x
    x = 5,574,546,613.86/115,329.80
  6. Step 6: Final answer
    x = 48,335.70

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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.