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Finding the Fourth Proportional to 173,741.87, 260,171.75 and 145,587.89

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Solution

The fourth proportional to 173,741.87, 260,171.75 and 145,587.89 is: 218,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,741.87 : 260,171.75 = 145,587.89 : x
  2. Step 2: Convert to fraction form
    173,741.87/260,171.75 = 145,587.89/x
  3. Step 3: Cross multiply
    173,741.87x = 260,171.75 × 145,587.89
  4. Step 4: Simplify right side
    173,741.87x = 37,877,854,091.31
  5. Step 5: Solve for x
    x = 37,877,854,091.31/173,741.87
  6. Step 6: Final answer
    x = 218,012.25

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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.