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Finding the Fourth Proportional to 194,729.56, 292,130.38 and 61,643.32

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Solution

The fourth proportional to 194,729.56, 292,130.38 and 61,643.32 is: 92,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,729.56 : 292,130.38 = 61,643.32 : x
  2. Step 2: Convert to fraction form
    194,729.56/292,130.38 = 61,643.32/x
  3. Step 3: Cross multiply
    194,729.56x = 292,130.38 × 61,643.32
  4. Step 4: Simplify right side
    194,729.56x = 18,007,886,496.06
  5. Step 5: Solve for x
    x = 18,007,886,496.06/194,729.56
  6. Step 6: Final answer
    x = 92,476.39

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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.