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Finding the Fourth Proportional to 315,347.22, 473,092.11 and 104,993.46

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Solution

The fourth proportional to 315,347.22, 473,092.11 and 104,993.46 is: 157,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,347.22 : 473,092.11 = 104,993.46 : x
  2. Step 2: Convert to fraction form
    315,347.22/473,092.11 = 104,993.46/x
  3. Step 3: Cross multiply
    315,347.22x = 473,092.11 × 104,993.46
  4. Step 4: Simplify right side
    315,347.22x = 49,671,577,527.60
  5. Step 5: Solve for x
    x = 49,671,577,527.60/315,347.22
  6. Step 6: Final answer
    x = 157,513.92

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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.