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Finding the Fourth Proportional to 201,388.72, 277,915.98 and 110,750.26

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Solution

The fourth proportional to 201,388.72, 277,915.98 and 110,750.26 is: 152,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,388.72 : 277,915.98 = 110,750.26 : x
  2. Step 2: Convert to fraction form
    201,388.72/277,915.98 = 110,750.26/x
  3. Step 3: Cross multiply
    201,388.72x = 277,915.98 × 110,750.26
  4. Step 4: Simplify right side
    201,388.72x = 30,779,267,043.15
  5. Step 5: Solve for x
    x = 30,779,267,043.15/201,388.72
  6. Step 6: Final answer
    x = 152,835.11

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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.