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Finding the Fourth Proportional to 181,395.90, 254,216.70 and 181,395.90

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Solution

The fourth proportional to 181,395.90, 254,216.70 and 181,395.90 is: 254,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,395.90 : 254,216.70 = 181,395.90 : x
  2. Step 2: Convert to fraction form
    181,395.90/254,216.70 = 181,395.90/x
  3. Step 3: Cross multiply
    181,395.90x = 254,216.70 × 181,395.90
  4. Step 4: Simplify right side
    181,395.90x = 46,113,867,091.53
  5. Step 5: Solve for x
    x = 46,113,867,091.53/181,395.90
  6. Step 6: Final answer
    x = 254,216.70

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Why These Related Problems?

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