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Finding the Fourth Proportional to 162,896.40, 244,166.40 and 57,661.20

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Solution

The fourth proportional to 162,896.40, 244,166.40 and 57,661.20 is: 86,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,896.40 : 244,166.40 = 57,661.20 : x
  2. Step 2: Convert to fraction form
    162,896.40/244,166.40 = 57,661.20/x
  3. Step 3: Cross multiply
    162,896.40x = 244,166.40 × 57,661.20
  4. Step 4: Simplify right side
    162,896.40x = 14,078,927,623.68
  5. Step 5: Solve for x
    x = 14,078,927,623.68/162,896.40
  6. Step 6: Final answer
    x = 86,428.72

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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.