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Finding the Fourth Proportional to 371,053.53, 555,838.34 and 171,100.17

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Solution

The fourth proportional to 371,053.53, 555,838.34 and 171,100.17 is: 256,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,053.53 : 555,838.34 = 171,100.17 : x
  2. Step 2: Convert to fraction form
    371,053.53/555,838.34 = 171,100.17/x
  3. Step 3: Cross multiply
    371,053.53x = 555,838.34 × 171,100.17
  4. Step 4: Simplify right side
    371,053.53x = 95,104,033,611.02
  5. Step 5: Solve for x
    x = 95,104,033,611.02/371,053.53
  6. Step 6: Final answer
    x = 256,308.12

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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.