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Finding the Fourth Proportional to 235,726.88, 353,027.50 and 135,676.77

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Solution

The fourth proportional to 235,726.88, 353,027.50 and 135,676.77 is: 203,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,726.88 : 353,027.50 = 135,676.77 : x
  2. Step 2: Convert to fraction form
    235,726.88/353,027.50 = 135,676.77/x
  3. Step 3: Cross multiply
    235,726.88x = 353,027.50 × 135,676.77
  4. Step 4: Simplify right side
    235,726.88x = 47,897,630,921.18
  5. Step 5: Solve for x
    x = 47,897,630,921.18/235,726.88
  6. Step 6: Final answer
    x = 203,191.21

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1.5x scale

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.