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Finding the Fourth Proportional to 171,752.70, 237,018.93 and 100,146.56

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Solution

The fourth proportional to 171,752.70, 237,018.93 and 100,146.56 is: 138,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,752.70 : 237,018.93 = 100,146.56 : x
  2. Step 2: Convert to fraction form
    171,752.70/237,018.93 = 100,146.56/x
  3. Step 3: Cross multiply
    171,752.70x = 237,018.93 × 100,146.56
  4. Step 4: Simplify right side
    171,752.70x = 23,736,632,111.88
  5. Step 5: Solve for x
    x = 23,736,632,111.88/171,752.70
  6. Step 6: Final answer
    x = 138,202.38

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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.