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Finding the Fourth Proportional to 173,762.10, 260,587.62 and 55,405.71

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Solution

The fourth proportional to 173,762.10, 260,587.62 and 55,405.71 is: 83,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,762.10 : 260,587.62 = 55,405.71 : x
  2. Step 2: Convert to fraction form
    173,762.10/260,587.62 = 55,405.71/x
  3. Step 3: Cross multiply
    173,762.10x = 260,587.62 × 55,405.71
  4. Step 4: Simplify right side
    173,762.10x = 14,438,042,103.31
  5. Step 5: Solve for x
    x = 14,438,042,103.31/173,762.10
  6. Step 6: Final answer
    x = 83,090.86

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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.