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Finding the Fourth Proportional to 253,120.99, 349,339.10 and 144,264.46

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Solution

The fourth proportional to 253,120.99, 349,339.10 and 144,264.46 is: 199,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,120.99 : 349,339.10 = 144,264.46 : x
  2. Step 2: Convert to fraction form
    253,120.99/349,339.10 = 144,264.46/x
  3. Step 3: Cross multiply
    253,120.99x = 349,339.10 × 144,264.46
  4. Step 4: Simplify right side
    253,120.99x = 50,397,215,023.72
  5. Step 5: Solve for x
    x = 50,397,215,023.72/253,120.99
  6. Step 6: Final answer
    x = 199,103.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.