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Finding the Fourth Proportional to 371,081.88, 556,166.64 and 171,124.68

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Solution

The fourth proportional to 371,081.88, 556,166.64 and 171,124.68 is: 256,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,081.88 : 556,166.64 = 171,124.68 : x
  2. Step 2: Convert to fraction form
    371,081.88/556,166.64 = 171,124.68/x
  3. Step 3: Cross multiply
    371,081.88x = 556,166.64 × 171,124.68
  4. Step 4: Simplify right side
    371,081.88x = 95,173,838,296.68
  5. Step 5: Solve for x
    x = 95,173,838,296.68/371,081.88
  6. Step 6: Final answer
    x = 256,476.65

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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.