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Finding the Fourth Proportional to 173,721.60, 260,582.40 and 167,078.59

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Solution

The fourth proportional to 173,721.60, 260,582.40 and 167,078.59 is: 250,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,721.60 : 260,582.40 = 167,078.59 : x
  2. Step 2: Convert to fraction form
    173,721.60/260,582.40 = 167,078.59/x
  3. Step 3: Cross multiply
    173,721.60x = 260,582.40 × 167,078.59
  4. Step 4: Simplify right side
    173,721.60x = 43,537,739,319.36
  5. Step 5: Solve for x
    x = 43,537,739,319.36/173,721.60
  6. Step 6: Final answer
    x = 250,617.88

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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.