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Finding the Fourth Proportional to 293,555.40, 440,221.32 and 124,969.32

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Solution

The fourth proportional to 293,555.40, 440,221.32 and 124,969.32 is: 187,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,555.40 : 440,221.32 = 124,969.32 : x
  2. Step 2: Convert to fraction form
    293,555.40/440,221.32 = 124,969.32/x
  3. Step 3: Cross multiply
    293,555.40x = 440,221.32 × 124,969.32
  4. Step 4: Simplify right side
    293,555.40x = 55,014,159,009.90
  5. Step 5: Solve for x
    x = 55,014,159,009.90/293,555.40
  6. Step 6: Final answer
    x = 187,406.39

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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.