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Finding the Fourth Proportional to 368,374.49, 552,561.75 and 102,135.01

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Solution

The fourth proportional to 368,374.49, 552,561.75 and 102,135.01 is: 153,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,374.49 : 552,561.75 = 102,135.01 : x
  2. Step 2: Convert to fraction form
    368,374.49/552,561.75 = 102,135.01/x
  3. Step 3: Cross multiply
    368,374.49x = 552,561.75 × 102,135.01
  4. Step 4: Simplify right side
    368,374.49x = 56,435,896,843.72
  5. Step 5: Solve for x
    x = 56,435,896,843.72/368,374.49
  6. Step 6: Final answer
    x = 153,202.51

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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.