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Finding the Fourth Proportional to 173,911.41, 260,754.80 and 55,543.41

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Solution

The fourth proportional to 173,911.41, 260,754.80 and 55,543.41 is: 83,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,911.41 : 260,754.80 = 55,543.41 : x
  2. Step 2: Convert to fraction form
    173,911.41/260,754.80 = 55,543.41/x
  3. Step 3: Cross multiply
    173,911.41x = 260,754.80 × 55,543.41
  4. Step 4: Simplify right side
    173,911.41x = 14,483,210,488.15
  5. Step 5: Solve for x
    x = 14,483,210,488.15/173,911.41
  6. Step 6: Final answer
    x = 83,279.24

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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.