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Finding the Fourth Proportional to 245,356.80, 368,094.01 and 118,849.19

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Solution

The fourth proportional to 245,356.80, 368,094.01 and 118,849.19 is: 178,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,356.80 : 368,094.01 = 118,849.19 : x
  2. Step 2: Convert to fraction form
    245,356.80/368,094.01 = 118,849.19/x
  3. Step 3: Cross multiply
    245,356.80x = 368,094.01 × 118,849.19
  4. Step 4: Simplify right side
    245,356.80x = 43,747,673,997.68
  5. Step 5: Solve for x
    x = 43,747,673,997.68/245,356.80
  6. Step 6: Final answer
    x = 178,302.27

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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.