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Finding the Fourth Proportional to 226,552.78, 312,662.76 and 124,596.21

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Solution

The fourth proportional to 226,552.78, 312,662.76 and 124,596.21 is: 171,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,552.78 : 312,662.76 = 124,596.21 : x
  2. Step 2: Convert to fraction form
    226,552.78/312,662.76 = 124,596.21/x
  3. Step 3: Cross multiply
    226,552.78x = 312,662.76 × 124,596.21
  4. Step 4: Simplify right side
    226,552.78x = 38,956,592,717.84
  5. Step 5: Solve for x
    x = 38,956,592,717.84/226,552.78
  6. Step 6: Final answer
    x = 171,953.72

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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.