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Finding the Fourth Proportional to 136,750.86, 188,740.26 and 88,412.22

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Solution

The fourth proportional to 136,750.86, 188,740.26 and 88,412.22 is: 122,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,750.86 : 188,740.26 = 88,412.22 : x
  2. Step 2: Convert to fraction form
    136,750.86/188,740.26 = 88,412.22/x
  3. Step 3: Cross multiply
    136,750.86x = 188,740.26 × 88,412.22
  4. Step 4: Simplify right side
    136,750.86x = 16,686,945,389.98
  5. Step 5: Solve for x
    x = 16,686,945,389.98/136,750.86
  6. Step 6: Final answer
    x = 122,024.43

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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.