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Finding the Fourth Proportional to 180,193.60, 269,901.60 and 149,089.60

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Solution

The fourth proportional to 180,193.60, 269,901.60 and 149,089.60 is: 223,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,193.60 : 269,901.60 = 149,089.60 : x
  2. Step 2: Convert to fraction form
    180,193.60/269,901.60 = 149,089.60/x
  3. Step 3: Cross multiply
    180,193.60x = 269,901.60 × 149,089.60
  4. Step 4: Simplify right side
    180,193.60x = 40,239,521,583.36
  5. Step 5: Solve for x
    x = 40,239,521,583.36/180,193.60
  6. Step 6: Final answer
    x = 223,312.71

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1.5x scale

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.