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Finding the Fourth Proportional to 169,887.40, 234,424.24 and 93,393.88

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Solution

The fourth proportional to 169,887.40, 234,424.24 and 93,393.88 is: 128,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,887.40 : 234,424.24 = 93,393.88 : x
  2. Step 2: Convert to fraction form
    169,887.40/234,424.24 = 93,393.88/x
  3. Step 3: Cross multiply
    169,887.40x = 234,424.24 × 93,393.88
  4. Step 4: Simplify right side
    169,887.40x = 21,893,789,339.65
  5. Step 5: Solve for x
    x = 21,893,789,339.65/169,887.40
  6. Step 6: Final answer
    x = 128,872.36

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1.5x scale

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.