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Finding the Fourth Proportional to 131,442.80, 197,164.20 and 37,951.60

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Solution

The fourth proportional to 131,442.80, 197,164.20 and 37,951.60 is: 56,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442.80 : 197,164.20 = 37,951.60 : x
  2. Step 2: Convert to fraction form
    131,442.80/197,164.20 = 37,951.60/x
  3. Step 3: Cross multiply
    131,442.80x = 197,164.20 × 37,951.60
  4. Step 4: Simplify right side
    131,442.80x = 7,482,696,852.72
  5. Step 5: Solve for x
    x = 7,482,696,852.72/131,442.80
  6. Step 6: Final answer
    x = 56,927.40

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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.