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Finding the Fourth Proportional to 254,221.65, 350,824.91 and 139,502.22

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Solution

The fourth proportional to 254,221.65, 350,824.91 and 139,502.22 is: 192,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,221.65 : 350,824.91 = 139,502.22 : x
  2. Step 2: Convert to fraction form
    254,221.65/350,824.91 = 139,502.22/x
  3. Step 3: Cross multiply
    254,221.65x = 350,824.91 × 139,502.22
  4. Step 4: Simplify right side
    254,221.65x = 48,940,852,921.31
  5. Step 5: Solve for x
    x = 48,940,852,921.31/254,221.65
  6. Step 6: Final answer
    x = 192,512.53

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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.