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Finding the Fourth Proportional to 227,169.72, 313,492.77 and 123,803.73

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Solution

The fourth proportional to 227,169.72, 313,492.77 and 123,803.73 is: 170,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,169.72 : 313,492.77 = 123,803.73 : x
  2. Step 2: Convert to fraction form
    227,169.72/313,492.77 = 123,803.73/x
  3. Step 3: Cross multiply
    227,169.72x = 313,492.77 × 123,803.73
  4. Step 4: Simplify right side
    227,169.72x = 38,811,575,483.93
  5. Step 5: Solve for x
    x = 38,811,575,483.93/227,169.72
  6. Step 6: Final answer
    x = 170,848.36

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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.