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Finding the Fourth Proportional to 233,078.04, 348,967.47 and 118,980.41

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Solution

The fourth proportional to 233,078.04, 348,967.47 and 118,980.41 is: 178,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,078.04 : 348,967.47 = 118,980.41 : x
  2. Step 2: Convert to fraction form
    233,078.04/348,967.47 = 118,980.41/x
  3. Step 3: Cross multiply
    233,078.04x = 348,967.47 × 118,980.41
  4. Step 4: Simplify right side
    233,078.04x = 41,520,290,912.43
  5. Step 5: Solve for x
    x = 41,520,290,912.43/233,078.04
  6. Step 6: Final answer
    x = 178,139.01

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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.