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Finding the Fourth Proportional to 175,497.40, 262,662.90 and 123,009.40

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Solution

The fourth proportional to 175,497.40, 262,662.90 and 123,009.40 is: 184,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,497.40 : 262,662.90 = 123,009.40 : x
  2. Step 2: Convert to fraction form
    175,497.40/262,662.90 = 123,009.40/x
  3. Step 3: Cross multiply
    175,497.40x = 262,662.90 × 123,009.40
  4. Step 4: Simplify right side
    175,497.40x = 32,310,005,731.26
  5. Step 5: Solve for x
    x = 32,310,005,731.26/175,497.40
  6. Step 6: Final answer
    x = 184,105.32

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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.