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Finding the Fourth Proportional to 194,698.80, 292,048.20 and 141,554.70

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Solution

The fourth proportional to 194,698.80, 292,048.20 and 141,554.70 is: 212,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,698.80 : 292,048.20 = 141,554.70 : x
  2. Step 2: Convert to fraction form
    194,698.80/292,048.20 = 141,554.70/x
  3. Step 3: Cross multiply
    194,698.80x = 292,048.20 × 141,554.70
  4. Step 4: Simplify right side
    194,698.80x = 41,340,795,336.54
  5. Step 5: Solve for x
    x = 41,340,795,336.54/194,698.80
  6. Step 6: Final answer
    x = 212,332.05

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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.