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Finding the Fourth Proportional to 89,244.40, 133,866.60 and 57,751.60

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Solution

The fourth proportional to 89,244.40, 133,866.60 and 57,751.60 is: 86,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.40 : 133,866.60 = 57,751.60 : x
  2. Step 2: Convert to fraction form
    89,244.40/133,866.60 = 57,751.60/x
  3. Step 3: Cross multiply
    89,244.40x = 133,866.60 × 57,751.60
  4. Step 4: Simplify right side
    89,244.40x = 7,731,010,336.56
  5. Step 5: Solve for x
    x = 7,731,010,336.56/89,244.40
  6. Step 6: Final answer
    x = 86,627.40

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1.5x scale

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.