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Finding the Fourth Proportional to 236,189.52, 354,223.80 and 69,938.64

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Solution

The fourth proportional to 236,189.52, 354,223.80 and 69,938.64 is: 104,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,189.52 : 354,223.80 = 69,938.64 : x
  2. Step 2: Convert to fraction form
    236,189.52/354,223.80 = 69,938.64/x
  3. Step 3: Cross multiply
    236,189.52x = 354,223.80 × 69,938.64
  4. Step 4: Simplify right side
    236,189.52x = 24,773,930,827.63
  5. Step 5: Solve for x
    x = 24,773,930,827.63/236,189.52
  6. Step 6: Final answer
    x = 104,890.05

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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.