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Finding the Fourth Proportional to 254,159.92, 350,782.74 and 141,019.12

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Solution

The fourth proportional to 254,159.92, 350,782.74 and 141,019.12 is: 194,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,159.92 : 350,782.74 = 141,019.12 : x
  2. Step 2: Convert to fraction form
    254,159.92/350,782.74 = 141,019.12/x
  3. Step 3: Cross multiply
    254,159.92x = 350,782.74 × 141,019.12
  4. Step 4: Simplify right side
    254,159.92x = 49,467,073,305.99
  5. Step 5: Solve for x
    x = 49,467,073,305.99/254,159.92
  6. Step 6: Final answer
    x = 194,629.72

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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.