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Finding the Fourth Proportional to 232,751.18, 349,279.86 and 127,643.96

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Solution

The fourth proportional to 232,751.18, 349,279.86 and 127,643.96 is: 191,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,751.18 : 349,279.86 = 127,643.96 : x
  2. Step 2: Convert to fraction form
    232,751.18/349,279.86 = 127,643.96/x
  3. Step 3: Cross multiply
    232,751.18x = 349,279.86 × 127,643.96
  4. Step 4: Simplify right side
    232,751.18x = 44,583,464,478.65
  5. Step 5: Solve for x
    x = 44,583,464,478.65/232,751.18
  6. Step 6: Final answer
    x = 191,549.90

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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.