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Finding the Fourth Proportional to 114,313.20, 171,642.60 and 88,047.60

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Solution

The fourth proportional to 114,313.20, 171,642.60 and 88,047.60 is: 132,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,313.20 : 171,642.60 = 88,047.60 : x
  2. Step 2: Convert to fraction form
    114,313.20/171,642.60 = 88,047.60/x
  3. Step 3: Cross multiply
    114,313.20x = 171,642.60 × 88,047.60
  4. Step 4: Simplify right side
    114,313.20x = 15,112,718,987.76
  5. Step 5: Solve for x
    x = 15,112,718,987.76/114,313.20
  6. Step 6: Final answer
    x = 132,204.50

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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.