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Finding the Fourth Proportional to 175,969.60, 264,148.80 and 136,700.80

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Solution

The fourth proportional to 175,969.60, 264,148.80 and 136,700.80 is: 205,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,969.60 : 264,148.80 = 136,700.80 : x
  2. Step 2: Convert to fraction form
    175,969.60/264,148.80 = 136,700.80/x
  3. Step 3: Cross multiply
    175,969.60x = 264,148.80 × 136,700.80
  4. Step 4: Simplify right side
    175,969.60x = 36,109,352,279.04
  5. Step 5: Solve for x
    x = 36,109,352,279.04/175,969.60
  6. Step 6: Final answer
    x = 205,202.22

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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.