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Finding the Fourth Proportional to 368,068.76, 552,102.87 and 118,750.76

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Solution

The fourth proportional to 368,068.76, 552,102.87 and 118,750.76 is: 178,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,068.76 : 552,102.87 = 118,750.76 : x
  2. Step 2: Convert to fraction form
    368,068.76/552,102.87 = 118,750.76/x
  3. Step 3: Cross multiply
    368,068.76x = 552,102.87 × 118,750.76
  4. Step 4: Simplify right side
    368,068.76x = 65,562,635,410.68
  5. Step 5: Solve for x
    x = 65,562,635,410.68/368,068.76
  6. Step 6: Final answer
    x = 178,126.05

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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.