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Finding the Fourth Proportional to 177,371.40, 265,619.70 and 132,756.60

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Solution

The fourth proportional to 177,371.40, 265,619.70 and 132,756.60 is: 198,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,371.40 : 265,619.70 = 132,756.60 : x
  2. Step 2: Convert to fraction form
    177,371.40/265,619.70 = 132,756.60/x
  3. Step 3: Cross multiply
    177,371.40x = 265,619.70 × 132,756.60
  4. Step 4: Simplify right side
    177,371.40x = 35,262,768,265.02
  5. Step 5: Solve for x
    x = 35,262,768,265.02/177,371.40
  6. Step 6: Final answer
    x = 198,807.52

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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.