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Finding the Fourth Proportional to 124,596.88, 171,943.64 and 68,008.28

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Solution

The fourth proportional to 124,596.88, 171,943.64 and 68,008.28 is: 93,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,596.88 : 171,943.64 = 68,008.28 : x
  2. Step 2: Convert to fraction form
    124,596.88/171,943.64 = 68,008.28/x
  3. Step 3: Cross multiply
    124,596.88x = 171,943.64 × 68,008.28
  4. Step 4: Simplify right side
    124,596.88x = 11,693,591,213.34
  5. Step 5: Solve for x
    x = 11,693,591,213.34/124,596.88
  6. Step 6: Final answer
    x = 93,851.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.