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Finding the Fourth Proportional to 227,612.65, 341,456.06 and 85,468.93

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Solution

The fourth proportional to 227,612.65, 341,456.06 and 85,468.93 is: 128,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,612.65 : 341,456.06 = 85,468.93 : x
  2. Step 2: Convert to fraction form
    227,612.65/341,456.06 = 85,468.93/x
  3. Step 3: Cross multiply
    227,612.65x = 341,456.06 × 85,468.93
  4. Step 4: Simplify right side
    227,612.65x = 29,183,884,090.22
  5. Step 5: Solve for x
    x = 29,183,884,090.22/227,612.65
  6. Step 6: Final answer
    x = 128,217.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.