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Finding the Fourth Proportional to 316,725.92, 475,014 and 92,026.40

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Solution

The fourth proportional to 316,725.92, 475,014 and 92,026.40 is: 138,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,725.92 : 475,014 = 92,026.40 : x
  2. Step 2: Convert to fraction form
    316,725.92/475,014 = 92,026.40/x
  3. Step 3: Cross multiply
    316,725.92x = 475,014 × 92,026.40
  4. Step 4: Simplify right side
    316,725.92x = 43,713,828,369.60
  5. Step 5: Solve for x
    x = 43,713,828,369.60/316,725.92
  6. Step 6: Final answer
    x = 138,017.84

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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.