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Finding the Fourth Proportional to 368,427.72, 552,641.48 and 102,188.27

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Solution

The fourth proportional to 368,427.72, 552,641.48 and 102,188.27 is: 153,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,427.72 : 552,641.48 = 102,188.27 : x
  2. Step 2: Convert to fraction form
    368,427.72/552,641.48 = 102,188.27/x
  3. Step 3: Cross multiply
    368,427.72x = 552,641.48 × 102,188.27
  4. Step 4: Simplify right side
    368,427.72x = 56,473,473,497.29
  5. Step 5: Solve for x
    x = 56,473,473,497.29/368,427.72
  6. Step 6: Final answer
    x = 153,282.37

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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.