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Finding the Fourth Proportional to 172,182.70, 237,530.13 and 114,848.50

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Solution

The fourth proportional to 172,182.70, 237,530.13 and 114,848.50 is: 158,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,182.70 : 237,530.13 = 114,848.50 : x
  2. Step 2: Convert to fraction form
    172,182.70/237,530.13 = 114,848.50/x
  3. Step 3: Cross multiply
    172,182.70x = 237,530.13 × 114,848.50
  4. Step 4: Simplify right side
    172,182.70x = 27,279,979,135.31
  5. Step 5: Solve for x
    x = 27,279,979,135.31/172,182.70
  6. Step 6: Final answer
    x = 158,436.24

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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.