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Finding the Fourth Proportional to 316,669.24, 475,035.08 and 92,031.64

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Solution

The fourth proportional to 316,669.24, 475,035.08 and 92,031.64 is: 138,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,669.24 : 475,035.08 = 92,031.64 : x
  2. Step 2: Convert to fraction form
    316,669.24/475,035.08 = 92,031.64/x
  3. Step 3: Cross multiply
    316,669.24x = 475,035.08 × 92,031.64
  4. Step 4: Simplify right side
    316,669.24x = 43,718,257,469.93
  5. Step 5: Solve for x
    x = 43,718,257,469.93/316,669.24
  6. Step 6: Final answer
    x = 138,056.53

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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.