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Finding the Fourth Proportional to 196,054.70, 292,754.05 and 155,620.04

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Solution

The fourth proportional to 196,054.70, 292,754.05 and 155,620.04 is: 232,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,054.70 : 292,754.05 = 155,620.04 : x
  2. Step 2: Convert to fraction form
    196,054.70/292,754.05 = 155,620.04/x
  3. Step 3: Cross multiply
    196,054.70x = 292,754.05 × 155,620.04
  4. Step 4: Simplify right side
    196,054.70x = 45,558,395,118.34
  5. Step 5: Solve for x
    x = 45,558,395,118.34/196,054.70
  6. Step 6: Final answer
    x = 232,375.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.