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Finding the Fourth Proportional to 232,574.61, 348,640.47 and 74,692.34

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Solution

The fourth proportional to 232,574.61, 348,640.47 and 74,692.34 is: 111,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,574.61 : 348,640.47 = 74,692.34 : x
  2. Step 2: Convert to fraction form
    232,574.61/348,640.47 = 74,692.34/x
  3. Step 3: Cross multiply
    232,574.61x = 348,640.47 × 74,692.34
  4. Step 4: Simplify right side
    232,574.61x = 26,040,774,048.30
  5. Step 5: Solve for x
    x = 26,040,774,048.30/232,574.61
  6. Step 6: Final answer
    x = 111,967.40

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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.