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Finding the Fourth Proportional to 105,473.58, 158,123.70 and 49,285.92

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Solution

The fourth proportional to 105,473.58, 158,123.70 and 49,285.92 is: 73,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473.58 : 158,123.70 = 49,285.92 : x
  2. Step 2: Convert to fraction form
    105,473.58/158,123.70 = 49,285.92/x
  3. Step 3: Cross multiply
    105,473.58x = 158,123.70 × 49,285.92
  4. Step 4: Simplify right side
    105,473.58x = 7,793,272,028.30
  5. Step 5: Solve for x
    x = 7,793,272,028.30/105,473.58
  6. Step 6: Final answer
    x = 73,888.38

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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.