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Finding the Fourth Proportional to 127,522.56, 191,283.84 and 34,028.64

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Solution

The fourth proportional to 127,522.56, 191,283.84 and 34,028.64 is: 51,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,522.56 : 191,283.84 = 34,028.64 : x
  2. Step 2: Convert to fraction form
    127,522.56/191,283.84 = 34,028.64/x
  3. Step 3: Cross multiply
    127,522.56x = 191,283.84 × 34,028.64
  4. Step 4: Simplify right side
    127,522.56x = 6,509,128,929.18
  5. Step 5: Solve for x
    x = 6,509,128,929.18/127,522.56
  6. Step 6: Final answer
    x = 51,042.96

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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.