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Finding the Fourth Proportional to 91,828.80, 137,597.40 and 60,627.60

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Solution

The fourth proportional to 91,828.80, 137,597.40 and 60,627.60 is: 90,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,828.80 : 137,597.40 = 60,627.60 : x
  2. Step 2: Convert to fraction form
    91,828.80/137,597.40 = 60,627.60/x
  3. Step 3: Cross multiply
    91,828.80x = 137,597.40 × 60,627.60
  4. Step 4: Simplify right side
    91,828.80x = 8,342,200,128.24
  5. Step 5: Solve for x
    x = 8,342,200,128.24/91,828.80
  6. Step 6: Final answer
    x = 90,845.14

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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.