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Finding the Fourth Proportional to 615,372.43, 923,051.22 and 159,923.32

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Solution

The fourth proportional to 615,372.43, 923,051.22 and 159,923.32 is: 239,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,372.43 : 923,051.22 = 159,923.32 : x
  2. Step 2: Convert to fraction form
    615,372.43/923,051.22 = 159,923.32/x
  3. Step 3: Cross multiply
    615,372.43x = 923,051.22 × 159,923.32
  4. Step 4: Simplify right side
    615,372.43x = 147,617,411,017.19
  5. Step 5: Solve for x
    x = 147,617,411,017.19/615,372.43
  6. Step 6: Final answer
    x = 239,883.04

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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.