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Finding the Fourth Proportional to 255,242.44, 382,883.10 and 77,764.60

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Solution

The fourth proportional to 255,242.44, 382,883.10 and 77,764.60 is: 116,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,242.44 : 382,883.10 = 77,764.60 : x
  2. Step 2: Convert to fraction form
    255,242.44/382,883.10 = 77,764.60/x
  3. Step 3: Cross multiply
    255,242.44x = 382,883.10 × 77,764.60
  4. Step 4: Simplify right side
    255,242.44x = 29,774,751,118.26
  5. Step 5: Solve for x
    x = 29,774,751,118.26/255,242.44
  6. Step 6: Final answer
    x = 116,652.82

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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.