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Finding the Fourth Proportional to 115,636.80, 173,455.20 and 32,530.80

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Solution

The fourth proportional to 115,636.80, 173,455.20 and 32,530.80 is: 48,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,636.80 : 173,455.20 = 32,530.80 : x
  2. Step 2: Convert to fraction form
    115,636.80/173,455.20 = 32,530.80/x
  3. Step 3: Cross multiply
    115,636.80x = 173,455.20 × 32,530.80
  4. Step 4: Simplify right side
    115,636.80x = 5,642,636,420.16
  5. Step 5: Solve for x
    x = 5,642,636,420.16/115,636.80
  6. Step 6: Final answer
    x = 48,796.20

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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.