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Finding the Fourth Proportional to 169,725, 254,587.50 and 58,917

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Solution

The fourth proportional to 169,725, 254,587.50 and 58,917 is: 88,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,725 : 254,587.50 = 58,917 : x
  2. Step 2: Convert to fraction form
    169,725/254,587.50 = 58,917/x
  3. Step 3: Cross multiply
    169,725x = 254,587.50 × 58,917
  4. Step 4: Simplify right side
    169,725x = 14,999,531,737.50
  5. Step 5: Solve for x
    x = 14,999,531,737.50/169,725
  6. Step 6: Final answer
    x = 88,375.50

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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.