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Finding the Fourth Proportional to 236,702.25, 355,114.94 and 70,490.25

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Solution

The fourth proportional to 236,702.25, 355,114.94 and 70,490.25 is: 105,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,702.25 : 355,114.94 = 70,490.25 : x
  2. Step 2: Convert to fraction form
    236,702.25/355,114.94 = 70,490.25/x
  3. Step 3: Cross multiply
    236,702.25x = 355,114.94 × 70,490.25
  4. Step 4: Simplify right side
    236,702.25x = 25,032,140,546.88
  5. Step 5: Solve for x
    x = 25,032,140,546.88/236,702.25
  6. Step 6: Final answer
    x = 105,753.71

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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.