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Finding the Fourth Proportional to 177,597.60, 266,979.60 and 151,936.80

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Solution

The fourth proportional to 177,597.60, 266,979.60 and 151,936.80 is: 228,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,597.60 : 266,979.60 = 151,936.80 : x
  2. Step 2: Convert to fraction form
    177,597.60/266,979.60 = 151,936.80/x
  3. Step 3: Cross multiply
    177,597.60x = 266,979.60 × 151,936.80
  4. Step 4: Simplify right side
    177,597.60x = 40,564,026,089.28
  5. Step 5: Solve for x
    x = 40,564,026,089.28/177,597.60
  6. Step 6: Final answer
    x = 228,404.13

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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.