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Finding the Fourth Proportional to 254,223.48, 350,992.74 and 157,529.95

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Solution

The fourth proportional to 254,223.48, 350,992.74 and 157,529.95 is: 217,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,223.48 : 350,992.74 = 157,529.95 : x
  2. Step 2: Convert to fraction form
    254,223.48/350,992.74 = 157,529.95/x
  3. Step 3: Cross multiply
    254,223.48x = 350,992.74 × 157,529.95
  4. Step 4: Simplify right side
    254,223.48x = 55,291,868,495.82
  5. Step 5: Solve for x
    x = 55,291,868,495.82/254,223.48
  6. Step 6: Final answer
    x = 217,493.16

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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.