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Finding the Fourth Proportional to 177,996.40, 266,929.80 and 59,671.60

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Solution

The fourth proportional to 177,996.40, 266,929.80 and 59,671.60 is: 89,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,996.40 : 266,929.80 = 59,671.60 : x
  2. Step 2: Convert to fraction form
    177,996.40/266,929.80 = 59,671.60/x
  3. Step 3: Cross multiply
    177,996.40x = 266,929.80 × 59,671.60
  4. Step 4: Simplify right side
    177,996.40x = 15,928,128,253.68
  5. Step 5: Solve for x
    x = 15,928,128,253.68/177,996.40
  6. Step 6: Final answer
    x = 89,485.68

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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.