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Finding the Fourth Proportional to 127,797.84, 191,696.99 and 127,613.36

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Solution

The fourth proportional to 127,797.84, 191,696.99 and 127,613.36 is: 191,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,797.84 : 191,696.99 = 127,613.36 : x
  2. Step 2: Convert to fraction form
    127,797.84/191,696.99 = 127,613.36/x
  3. Step 3: Cross multiply
    127,797.84x = 191,696.99 × 127,613.36
  4. Step 4: Simplify right side
    127,797.84x = 24,463,095,399.23
  5. Step 5: Solve for x
    x = 24,463,095,399.23/127,797.84
  6. Step 6: Final answer
    x = 191,420.26

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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.