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Finding the Fourth Proportional to 152,408.80, 228,872.40 and 113,010.40

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Solution

The fourth proportional to 152,408.80, 228,872.40 and 113,010.40 is: 169,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,408.80 : 228,872.40 = 113,010.40 : x
  2. Step 2: Convert to fraction form
    152,408.80/228,872.40 = 113,010.40/x
  3. Step 3: Cross multiply
    152,408.80x = 228,872.40 × 113,010.40
  4. Step 4: Simplify right side
    152,408.80x = 25,864,961,472.96
  5. Step 5: Solve for x
    x = 25,864,961,472.96/152,408.80
  6. Step 6: Final answer
    x = 169,707.80

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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.