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Finding the Fourth Proportional to 615,334.68, 922,958.24 and 166,081.12

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Solution

The fourth proportional to 615,334.68, 922,958.24 and 166,081.12 is: 249,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,334.68 : 922,958.24 = 166,081.12 : x
  2. Step 2: Convert to fraction form
    615,334.68/922,958.24 = 166,081.12/x
  3. Step 3: Cross multiply
    615,334.68x = 922,958.24 × 166,081.12
  4. Step 4: Simplify right side
    615,334.68x = 153,285,938,212.43
  5. Step 5: Solve for x
    x = 153,285,938,212.43/615,334.68
  6. Step 6: Final answer
    x = 249,109.86

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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.