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Finding the Fourth Proportional to 181,431.90, 254,267.10 and 181,431.90

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Solution

The fourth proportional to 181,431.90, 254,267.10 and 181,431.90 is: 254,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,431.90 : 254,267.10 = 181,431.90 : x
  2. Step 2: Convert to fraction form
    181,431.90/254,267.10 = 181,431.90/x
  3. Step 3: Cross multiply
    181,431.90x = 254,267.10 × 181,431.90
  4. Step 4: Simplify right side
    181,431.90x = 46,132,163,060.49
  5. Step 5: Solve for x
    x = 46,132,163,060.49/181,431.90
  6. Step 6: Final answer
    x = 254,267.10

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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.