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Finding the Fourth Proportional to 357,460.77, 536,190.81 and 91,221.29

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Solution

The fourth proportional to 357,460.77, 536,190.81 and 91,221.29 is: 136,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,460.77 : 536,190.81 = 91,221.29 : x
  2. Step 2: Convert to fraction form
    357,460.77/536,190.81 = 91,221.29/x
  3. Step 3: Cross multiply
    357,460.77x = 536,190.81 × 91,221.29
  4. Step 4: Simplify right side
    357,460.77x = 48,912,017,374.34
  5. Step 5: Solve for x
    x = 48,912,017,374.34/357,460.77
  6. Step 6: Final answer
    x = 136,831.85

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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.