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Finding the Fourth Proportional to 169,515, 233,937.99 and 94,063.50

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Solution

The fourth proportional to 169,515, 233,937.99 and 94,063.50 is: 129,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,515 : 233,937.99 = 94,063.50 : x
  2. Step 2: Convert to fraction form
    169,515/233,937.99 = 94,063.50/x
  3. Step 3: Cross multiply
    169,515x = 233,937.99 × 94,063.50
  4. Step 4: Simplify right side
    169,515x = 22,005,026,122.37
  5. Step 5: Solve for x
    x = 22,005,026,122.37/169,515
  6. Step 6: Final answer
    x = 129,811.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.