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Finding the Fourth Proportional to 160,394.40, 240,588.84 and 55,211.04

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Solution

The fourth proportional to 160,394.40, 240,588.84 and 55,211.04 is: 82,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,394.40 : 240,588.84 = 55,211.04 : x
  2. Step 2: Convert to fraction form
    160,394.40/240,588.84 = 55,211.04/x
  3. Step 3: Cross multiply
    160,394.40x = 240,588.84 × 55,211.04
  4. Step 4: Simplify right side
    160,394.40x = 13,283,160,068.79
  5. Step 5: Solve for x
    x = 13,283,160,068.79/160,394.40
  6. Step 6: Final answer
    x = 82,815.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.