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Finding the Fourth Proportional to 116,571.60, 174,857.40 and 91,202.40

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Solution

The fourth proportional to 116,571.60, 174,857.40 and 91,202.40 is: 136,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,571.60 : 174,857.40 = 91,202.40 : x
  2. Step 2: Convert to fraction form
    116,571.60/174,857.40 = 91,202.40/x
  3. Step 3: Cross multiply
    116,571.60x = 174,857.40 × 91,202.40
  4. Step 4: Simplify right side
    116,571.60x = 15,947,414,537.76
  5. Step 5: Solve for x
    x = 15,947,414,537.76/116,571.60
  6. Step 6: Final answer
    x = 136,803.60

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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.