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Finding the Fourth Proportional to 173,615.76, 260,442.72 and 55,259.37

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Solution

The fourth proportional to 173,615.76, 260,442.72 and 55,259.37 is: 82,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,615.76 : 260,442.72 = 55,259.37 : x
  2. Step 2: Convert to fraction form
    173,615.76/260,442.72 = 55,259.37/x
  3. Step 3: Cross multiply
    173,615.76x = 260,442.72 × 55,259.37
  4. Step 4: Simplify right side
    173,615.76x = 14,391,900,628.29
  5. Step 5: Solve for x
    x = 14,391,900,628.29/173,615.76
  6. Step 6: Final answer
    x = 82,895.13

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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.