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Finding the Fourth Proportional to 194,123.98, 291,187.59 and 53,893.54

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Solution

The fourth proportional to 194,123.98, 291,187.59 and 53,893.54 is: 80,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,123.98 : 291,187.59 = 53,893.54 : x
  2. Step 2: Convert to fraction form
    194,123.98/291,187.59 = 53,893.54/x
  3. Step 3: Cross multiply
    194,123.98x = 291,187.59 × 53,893.54
  4. Step 4: Simplify right side
    194,123.98x = 15,693,130,029.17
  5. Step 5: Solve for x
    x = 15,693,130,029.17/194,123.98
  6. Step 6: Final answer
    x = 80,840.76

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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.