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Finding the Fourth Proportional to 164,151.20, 245,881.20 and 136,503.20

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Solution

The fourth proportional to 164,151.20, 245,881.20 and 136,503.20 is: 204,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,151.20 : 245,881.20 = 136,503.20 : x
  2. Step 2: Convert to fraction form
    164,151.20/245,881.20 = 136,503.20/x
  3. Step 3: Cross multiply
    164,151.20x = 245,881.20 × 136,503.20
  4. Step 4: Simplify right side
    164,151.20x = 33,563,570,619.84
  5. Step 5: Solve for x
    x = 33,563,570,619.84/164,151.20
  6. Step 6: Final answer
    x = 204,467.41

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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.