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Finding the Fourth Proportional to 185,245.40, 277,572.78 and 118,630.70

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Solution

The fourth proportional to 185,245.40, 277,572.78 and 118,630.70 is: 177,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,245.40 : 277,572.78 = 118,630.70 : x
  2. Step 2: Convert to fraction form
    185,245.40/277,572.78 = 118,630.70/x
  3. Step 3: Cross multiply
    185,245.40x = 277,572.78 × 118,630.70
  4. Step 4: Simplify right side
    185,245.40x = 32,928,653,192.35
  5. Step 5: Solve for x
    x = 32,928,653,192.35/185,245.40
  6. Step 6: Final answer
    x = 177,756.93

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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.