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Finding the Fourth Proportional to 201,328.59, 277,826.38 and 110,683.90

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Solution

The fourth proportional to 201,328.59, 277,826.38 and 110,683.90 is: 152,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,328.59 : 277,826.38 = 110,683.90 : x
  2. Step 2: Convert to fraction form
    201,328.59/277,826.38 = 110,683.90/x
  3. Step 3: Cross multiply
    201,328.59x = 277,826.38 × 110,683.90
  4. Step 4: Simplify right side
    201,328.59x = 30,750,907,261.28
  5. Step 5: Solve for x
    x = 30,750,907,261.28/201,328.59
  6. Step 6: Final answer
    x = 152,739.89

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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.