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Finding the Fourth Proportional to 368,095.32, 552,142.56 and 118,777.32

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Solution

The fourth proportional to 368,095.32, 552,142.56 and 118,777.32 is: 178,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,095.32 : 552,142.56 = 118,777.32 : x
  2. Step 2: Convert to fraction form
    368,095.32/552,142.56 = 118,777.32/x
  3. Step 3: Cross multiply
    368,095.32x = 552,142.56 × 118,777.32
  4. Step 4: Simplify right side
    368,095.32x = 65,582,013,534.74
  5. Step 5: Solve for x
    x = 65,582,013,534.74/368,095.32
  6. Step 6: Final answer
    x = 178,165.84

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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.