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Finding the Fourth Proportional to 194,807.80, 292,222.74 and 54,577.36

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Solution

The fourth proportional to 194,807.80, 292,222.74 and 54,577.36 is: 81,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,807.80 : 292,222.74 = 54,577.36 : x
  2. Step 2: Convert to fraction form
    194,807.80/292,222.74 = 54,577.36/x
  3. Step 3: Cross multiply
    194,807.80x = 292,222.74 × 54,577.36
  4. Step 4: Simplify right side
    194,807.80x = 15,948,745,681.17
  5. Step 5: Solve for x
    x = 15,948,745,681.17/194,807.80
  6. Step 6: Final answer
    x = 81,869.13

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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.