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Finding the Fourth Proportional to 88,672.80, 133,047.60 and 41,901.60

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Solution

The fourth proportional to 88,672.80, 133,047.60 and 41,901.60 is: 62,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,672.80 : 133,047.60 = 41,901.60 : x
  2. Step 2: Convert to fraction form
    88,672.80/133,047.60 = 41,901.60/x
  3. Step 3: Cross multiply
    88,672.80x = 133,047.60 × 41,901.60
  4. Step 4: Simplify right side
    88,672.80x = 5,574,907,316.16
  5. Step 5: Solve for x
    x = 5,574,907,316.16/88,672.80
  6. Step 6: Final answer
    x = 62,870.55

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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.