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Finding the Fourth Proportional to 225,503.33, 310,945.22 and 143,702.00

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Solution

The fourth proportional to 225,503.33, 310,945.22 and 143,702.00 is: 198,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,503.33 : 310,945.22 = 143,702.00 : x
  2. Step 2: Convert to fraction form
    225,503.33/310,945.22 = 143,702.00/x
  3. Step 3: Cross multiply
    225,503.33x = 310,945.22 × 143,702.00
  4. Step 4: Simplify right side
    225,503.33x = 44,683,448,881.27
  5. Step 5: Solve for x
    x = 44,683,448,881.27/225,503.33
  6. Step 6: Final answer
    x = 198,149.84

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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.