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Finding the Fourth Proportional to 185,057.80, 277,716.30 and 118,659.40

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Solution

The fourth proportional to 185,057.80, 277,716.30 and 118,659.40 is: 178,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,057.80 : 277,716.30 = 118,659.40 : x
  2. Step 2: Convert to fraction form
    185,057.80/277,716.30 = 118,659.40/x
  3. Step 3: Cross multiply
    185,057.80x = 277,716.30 × 118,659.40
  4. Step 4: Simplify right side
    185,057.80x = 32,953,649,528.22
  5. Step 5: Solve for x
    x = 32,953,649,528.22/185,057.80
  6. Step 6: Final answer
    x = 178,072.20

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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.