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Finding the Fourth Proportional to 233,324.90, 349,728.15 and 128,219.30

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Solution

The fourth proportional to 233,324.90, 349,728.15 and 128,219.30 is: 192,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,324.90 : 349,728.15 = 128,219.30 : x
  2. Step 2: Convert to fraction form
    233,324.90/349,728.15 = 128,219.30/x
  3. Step 3: Cross multiply
    233,324.90x = 349,728.15 × 128,219.30
  4. Step 4: Simplify right side
    233,324.90x = 44,841,898,583.30
  5. Step 5: Solve for x
    x = 44,841,898,583.30/233,324.90
  6. Step 6: Final answer
    x = 192,186.51

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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.