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Finding the Fourth Proportional to 177,391.60, 266,087.40 and 78,895.60

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Solution

The fourth proportional to 177,391.60, 266,087.40 and 78,895.60 is: 118,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,391.60 : 266,087.40 = 78,895.60 : x
  2. Step 2: Convert to fraction form
    177,391.60/266,087.40 = 78,895.60/x
  3. Step 3: Cross multiply
    177,391.60x = 266,087.40 × 78,895.60
  4. Step 4: Simplify right side
    177,391.60x = 20,993,125,075.44
  5. Step 5: Solve for x
    x = 20,993,125,075.44/177,391.60
  6. Step 6: Final answer
    x = 118,343.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.