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Finding the Fourth Proportional to 368,597.45, 552,896.42 and 102,358.01

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Solution

The fourth proportional to 368,597.45, 552,896.42 and 102,358.01 is: 153,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,597.45 : 552,896.42 = 102,358.01 : x
  2. Step 2: Convert to fraction form
    368,597.45/552,896.42 = 102,358.01/x
  3. Step 3: Cross multiply
    368,597.45x = 552,896.42 × 102,358.01
  4. Step 4: Simplify right side
    368,597.45x = 56,593,374,011.05
  5. Step 5: Solve for x
    x = 56,593,374,011.05/368,597.45
  6. Step 6: Final answer
    x = 153,537.08

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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.