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Finding the Fourth Proportional to 110,397.09, 152,010.60 and 83,212.68

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Solution

The fourth proportional to 110,397.09, 152,010.60 and 83,212.68 is: 114,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,397.09 : 152,010.60 = 83,212.68 : x
  2. Step 2: Convert to fraction form
    110,397.09/152,010.60 = 83,212.68/x
  3. Step 3: Cross multiply
    110,397.09x = 152,010.60 × 83,212.68
  4. Step 4: Simplify right side
    110,397.09x = 12,649,209,414.41
  5. Step 5: Solve for x
    x = 12,649,209,414.41/110,397.09
  6. Step 6: Final answer
    x = 114,579.19

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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.