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Finding the Fourth Proportional to 189,951,363.20, 284,927,044.80 and 169,544,028.80

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Solution

The fourth proportional to 189,951,363.20, 284,927,044.80 and 169,544,028.80 is: 254,316,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,951,363.20 : 284,927,044.80 = 169,544,028.80 : x
  2. Step 2: Convert to fraction form
    189,951,363.20/284,927,044.80 = 169,544,028.80/x
  3. Step 3: Cross multiply
    189,951,363.20x = 284,927,044.80 × 169,544,028.80
  4. Step 4: Simplify right side
    189,951,363.20x = 48,307,679,089,470,096
  5. Step 5: Solve for x
    x = 48,307,679,089,470,096/189,951,363.20
  6. Step 6: Final answer
    x = 254,316,043.20

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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.