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Finding the Fourth Proportional to 177,792.60, 266,688.90 and 111,307.80

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Solution

The fourth proportional to 177,792.60, 266,688.90 and 111,307.80 is: 166,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,792.60 : 266,688.90 = 111,307.80 : x
  2. Step 2: Convert to fraction form
    177,792.60/266,688.90 = 111,307.80/x
  3. Step 3: Cross multiply
    177,792.60x = 266,688.90 × 111,307.80
  4. Step 4: Simplify right side
    177,792.60x = 29,684,554,743.42
  5. Step 5: Solve for x
    x = 29,684,554,743.42/177,792.60
  6. Step 6: Final answer
    x = 166,961.70

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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.