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Finding the Fourth Proportional to 266,762.40, 368,181.36 and 171,388.32

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Solution

The fourth proportional to 266,762.40, 368,181.36 and 171,388.32 is: 236,547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,762.40 : 368,181.36 = 171,388.32 : x
  2. Step 2: Convert to fraction form
    266,762.40/368,181.36 = 171,388.32/x
  3. Step 3: Cross multiply
    266,762.40x = 368,181.36 × 171,388.32
  4. Step 4: Simplify right side
    266,762.40x = 63,101,984,745.72
  5. Step 5: Solve for x
    x = 63,101,984,745.72/266,762.40
  6. Step 6: Final answer
    x = 236,547.52

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Why These Related Problems?

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