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Finding the Fourth Proportional to 173,138.90, 243,094.30 and 173,138.90

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Solution

The fourth proportional to 173,138.90, 243,094.30 and 173,138.90 is: 243,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,138.90 : 243,094.30 = 173,138.90 : x
  2. Step 2: Convert to fraction form
    173,138.90/243,094.30 = 173,138.90/x
  3. Step 3: Cross multiply
    173,138.90x = 243,094.30 × 173,138.90
  4. Step 4: Simplify right side
    173,138.90x = 42,089,079,698.27
  5. Step 5: Solve for x
    x = 42,089,079,698.27/173,138.90
  6. Step 6: Final answer
    x = 243,094.30

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.