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Finding the Fourth Proportional to 230,632.48, 345,990.54 and 104,332.22

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Solution

The fourth proportional to 230,632.48, 345,990.54 and 104,332.22 is: 156,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,632.48 : 345,990.54 = 104,332.22 : x
  2. Step 2: Convert to fraction form
    230,632.48/345,990.54 = 104,332.22/x
  3. Step 3: Cross multiply
    230,632.48x = 345,990.54 × 104,332.22
  4. Step 4: Simplify right side
    230,632.48x = 36,097,961,137.20
  5. Step 5: Solve for x
    x = 36,097,961,137.20/230,632.48
  6. Step 6: Final answer
    x = 156,517.25

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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.