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Finding the Fourth Proportional to 163,020.20, 244,603.20 and 57,914.60

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Solution

The fourth proportional to 163,020.20, 244,603.20 and 57,914.60 is: 86,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,020.20 : 244,603.20 = 57,914.60 : x
  2. Step 2: Convert to fraction form
    163,020.20/244,603.20 = 57,914.60/x
  3. Step 3: Cross multiply
    163,020.20x = 244,603.20 × 57,914.60
  4. Step 4: Simplify right side
    163,020.20x = 14,166,096,486.72
  5. Step 5: Solve for x
    x = 14,166,096,486.72/163,020.20
  6. Step 6: Final answer
    x = 86,897.80

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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.