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Finding the Fourth Proportional to 169,033.50, 253,637.73 and 85,927.50

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Solution

The fourth proportional to 169,033.50, 253,637.73 and 85,927.50 is: 128,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,033.50 : 253,637.73 = 85,927.50 : x
  2. Step 2: Convert to fraction form
    169,033.50/253,637.73 = 85,927.50/x
  3. Step 3: Cross multiply
    169,033.50x = 253,637.73 × 85,927.50
  4. Step 4: Simplify right side
    169,033.50x = 21,794,456,044.58
  5. Step 5: Solve for x
    x = 21,794,456,044.58/169,033.50
  6. Step 6: Final answer
    x = 128,935.72

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1.5x scale

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.