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Finding the Fourth Proportional to 371,710.40, 557,586.84 and 105,450.02

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Solution

The fourth proportional to 371,710.40, 557,586.84 and 105,450.02 is: 158,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,710.40 : 557,586.84 = 105,450.02 : x
  2. Step 2: Convert to fraction form
    371,710.40/557,586.84 = 105,450.02/x
  3. Step 3: Cross multiply
    371,710.40x = 557,586.84 × 105,450.02
  4. Step 4: Simplify right side
    371,710.40x = 58,797,543,429.74
  5. Step 5: Solve for x
    x = 58,797,543,429.74/371,710.40
  6. Step 6: Final answer
    x = 158,181.06

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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.