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Finding the Fourth Proportional to 233,139.06, 349,203.15 and 144,414.90

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Solution

The fourth proportional to 233,139.06, 349,203.15 and 144,414.90 is: 216,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,139.06 : 349,203.15 = 144,414.90 : x
  2. Step 2: Convert to fraction form
    233,139.06/349,203.15 = 144,414.90/x
  3. Step 3: Cross multiply
    233,139.06x = 349,203.15 × 144,414.90
  4. Step 4: Simplify right side
    233,139.06x = 50,430,137,986.94
  5. Step 5: Solve for x
    x = 50,430,137,986.94/233,139.06
  6. Step 6: Final answer
    x = 216,309.26

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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.