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Finding the Fourth Proportional to 368,172.82, 552,259.94 and 101,934.12

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Solution

The fourth proportional to 368,172.82, 552,259.94 and 101,934.12 is: 152,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,172.82 : 552,259.94 = 101,934.12 : x
  2. Step 2: Convert to fraction form
    368,172.82/552,259.94 = 101,934.12/x
  3. Step 3: Cross multiply
    368,172.82x = 552,259.94 × 101,934.12
  4. Step 4: Simplify right side
    368,172.82x = 56,294,130,995.15
  5. Step 5: Solve for x
    x = 56,294,130,995.15/368,172.82
  6. Step 6: Final answer
    x = 152,901.38

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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.