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Finding the Fourth Proportional to 176,891.20, 265,336.80 and 113,905.60

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Solution

The fourth proportional to 176,891.20, 265,336.80 and 113,905.60 is: 170,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,891.20 : 265,336.80 = 113,905.60 : x
  2. Step 2: Convert to fraction form
    176,891.20/265,336.80 = 113,905.60/x
  3. Step 3: Cross multiply
    176,891.20x = 265,336.80 × 113,905.60
  4. Step 4: Simplify right side
    176,891.20x = 30,223,347,406.08
  5. Step 5: Solve for x
    x = 30,223,347,406.08/176,891.20
  6. Step 6: Final answer
    x = 170,858.40

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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.