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Finding the Fourth Proportional to 127,226.70, 177,884.10 and 127,226.70

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Solution

The fourth proportional to 127,226.70, 177,884.10 and 127,226.70 is: 177,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,226.70 : 177,884.10 = 127,226.70 : x
  2. Step 2: Convert to fraction form
    127,226.70/177,884.10 = 127,226.70/x
  3. Step 3: Cross multiply
    127,226.70x = 177,884.10 × 127,226.70
  4. Step 4: Simplify right side
    127,226.70x = 22,631,607,025.47
  5. Step 5: Solve for x
    x = 22,631,607,025.47/127,226.70
  6. Step 6: Final answer
    x = 177,884.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.