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Finding the Fourth Proportional to 169,425, 254,137.50 and 58,617

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Solution

The fourth proportional to 169,425, 254,137.50 and 58,617 is: 87,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,425 : 254,137.50 = 58,617 : x
  2. Step 2: Convert to fraction form
    169,425/254,137.50 = 58,617/x
  3. Step 3: Cross multiply
    169,425x = 254,137.50 × 58,617
  4. Step 4: Simplify right side
    169,425x = 14,896,777,837.50
  5. Step 5: Solve for x
    x = 14,896,777,837.50/169,425
  6. Step 6: Final answer
    x = 87,925.50

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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.