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Finding the Fourth Proportional to 201,388.06, 277,922.65 and 110,750.91

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Solution

The fourth proportional to 201,388.06, 277,922.65 and 110,750.91 is: 152,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,388.06 : 277,922.65 = 110,750.91 : x
  2. Step 2: Convert to fraction form
    201,388.06/277,922.65 = 110,750.91/x
  3. Step 3: Cross multiply
    201,388.06x = 277,922.65 × 110,750.91
  4. Step 4: Simplify right side
    201,388.06x = 30,780,186,849.00
  5. Step 5: Solve for x
    x = 30,780,186,849.00/201,388.06
  6. Step 6: Final answer
    x = 152,840.18

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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.