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Finding the Fourth Proportional to 615,169.96, 922,803.26 and 165,884.06

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Solution

The fourth proportional to 615,169.96, 922,803.26 and 165,884.06 is: 248,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,169.96 : 922,803.26 = 165,884.06 : x
  2. Step 2: Convert to fraction form
    615,169.96/922,803.26 = 165,884.06/x
  3. Step 3: Cross multiply
    615,169.96x = 922,803.26 × 165,884.06
  4. Step 4: Simplify right side
    615,169.96x = 153,078,351,350.04
  5. Step 5: Solve for x
    x = 153,078,351,350.04/615,169.96
  6. Step 6: Final answer
    x = 248,839.12

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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.