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Finding the Fourth Proportional to 227,230.92, 314,145.54 and 170,543.88

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Solution

The fourth proportional to 227,230.92, 314,145.54 and 170,543.88 is: 235,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,230.92 : 314,145.54 = 170,543.88 : x
  2. Step 2: Convert to fraction form
    227,230.92/314,145.54 = 170,543.88/x
  3. Step 3: Cross multiply
    227,230.92x = 314,145.54 × 170,543.88
  4. Step 4: Simplify right side
    227,230.92x = 53,575,599,276.30
  5. Step 5: Solve for x
    x = 53,575,599,276.30/227,230.92
  6. Step 6: Final answer
    x = 235,776.01

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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.