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Finding the Fourth Proportional to 105,364.48, 158,046.84 and 43,034.98

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Solution

The fourth proportional to 105,364.48, 158,046.84 and 43,034.98 is: 64,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,364.48 : 158,046.84 = 43,034.98 : x
  2. Step 2: Convert to fraction form
    105,364.48/158,046.84 = 43,034.98/x
  3. Step 3: Cross multiply
    105,364.48x = 158,046.84 × 43,034.98
  4. Step 4: Simplify right side
    105,364.48x = 6,801,542,598.46
  5. Step 5: Solve for x
    x = 6,801,542,598.46/105,364.48
  6. Step 6: Final answer
    x = 64,552.52

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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.