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Finding the Fourth Proportional to 194,164.80, 291,280.40 and 88,992.78

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Solution

The fourth proportional to 194,164.80, 291,280.40 and 88,992.78 is: 133,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,164.80 : 291,280.40 = 88,992.78 : x
  2. Step 2: Convert to fraction form
    194,164.80/291,280.40 = 88,992.78/x
  3. Step 3: Cross multiply
    194,164.80x = 291,280.40 × 88,992.78
  4. Step 4: Simplify right side
    194,164.80x = 25,921,852,555.51
  5. Step 5: Solve for x
    x = 25,921,852,555.51/194,164.80
  6. Step 6: Final answer
    x = 133,504.39

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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.