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Finding the Fourth Proportional to 117,994.86, 177,017.92 and 43,114.88

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Solution

The fourth proportional to 117,994.86, 177,017.92 and 43,114.88 is: 64,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,994.86 : 177,017.92 = 43,114.88 : x
  2. Step 2: Convert to fraction form
    117,994.86/177,017.92 = 43,114.88/x
  3. Step 3: Cross multiply
    117,994.86x = 177,017.92 × 43,114.88
  4. Step 4: Simplify right side
    117,994.86x = 7,632,106,713.41
  5. Step 5: Solve for x
    x = 7,632,106,713.41/117,994.86
  6. Step 6: Final answer
    x = 64,681.69

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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.