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Finding the Fourth Proportional to 194,333.01, 291,434.43 and 74,362.08

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Solution

The fourth proportional to 194,333.01, 291,434.43 and 74,362.08 is: 111,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,333.01 : 291,434.43 = 74,362.08 : x
  2. Step 2: Convert to fraction form
    194,333.01/291,434.43 = 74,362.08/x
  3. Step 3: Cross multiply
    194,333.01x = 291,434.43 × 74,362.08
  4. Step 4: Simplify right side
    194,333.01x = 21,671,670,398.41
  5. Step 5: Solve for x
    x = 21,671,670,398.41/194,333.01
  6. Step 6: Final answer
    x = 111,518.22

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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.