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Finding the Fourth Proportional to 163,102.84, 244,758.20 and 74,365.20

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Solution

The fourth proportional to 163,102.84, 244,758.20 and 74,365.20 is: 111,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,102.84 : 244,758.20 = 74,365.20 : x
  2. Step 2: Convert to fraction form
    163,102.84/244,758.20 = 74,365.20/x
  3. Step 3: Cross multiply
    163,102.84x = 244,758.20 × 74,365.20
  4. Step 4: Simplify right side
    163,102.84x = 18,201,492,494.64
  5. Step 5: Solve for x
    x = 18,201,492,494.64/163,102.84
  6. Step 6: Final answer
    x = 111,595.19

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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.