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Finding the Fourth Proportional to 178,930, 246,923.40 and 103,483.36

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Solution

The fourth proportional to 178,930, 246,923.40 and 103,483.36 is: 142,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,930 : 246,923.40 = 103,483.36 : x
  2. Step 2: Convert to fraction form
    178,930/246,923.40 = 103,483.36/x
  3. Step 3: Cross multiply
    178,930x = 246,923.40 × 103,483.36
  4. Step 4: Simplify right side
    178,930x = 25,552,463,094.62
  5. Step 5: Solve for x
    x = 25,552,463,094.62/178,930
  6. Step 6: Final answer
    x = 142,807.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.