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Finding the Fourth Proportional to 110,542.79, 152,505.74 and 68,027.51

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Solution

The fourth proportional to 110,542.79, 152,505.74 and 68,027.51 is: 93,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,542.79 : 152,505.74 = 68,027.51 : x
  2. Step 2: Convert to fraction form
    110,542.79/152,505.74 = 68,027.51/x
  3. Step 3: Cross multiply
    110,542.79x = 152,505.74 × 68,027.51
  4. Step 4: Simplify right side
    110,542.79x = 10,374,585,752.91
  5. Step 5: Solve for x
    x = 10,374,585,752.91/110,542.79
  6. Step 6: Final answer
    x = 93,851.31

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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.