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Finding the Fourth Proportional to 94,000.40, 141,019.80 and 31,677.20

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Solution

The fourth proportional to 94,000.40, 141,019.80 and 31,677.20 is: 47,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,000.40 : 141,019.80 = 31,677.20 : x
  2. Step 2: Convert to fraction form
    94,000.40/141,019.80 = 31,677.20/x
  3. Step 3: Cross multiply
    94,000.40x = 141,019.80 × 31,677.20
  4. Step 4: Simplify right side
    94,000.40x = 4,467,112,408.56
  5. Step 5: Solve for x
    x = 4,467,112,408.56/94,000.40
  6. Step 6: Final answer
    x = 47,522.27

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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.