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Finding the Fourth Proportional to 141,351.40, 212,124.30 and 58,245.40

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Solution

The fourth proportional to 141,351.40, 212,124.30 and 58,245.40 is: 87,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,351.40 : 212,124.30 = 58,245.40 : x
  2. Step 2: Convert to fraction form
    141,351.40/212,124.30 = 58,245.40/x
  3. Step 3: Cross multiply
    141,351.40x = 212,124.30 × 58,245.40
  4. Step 4: Simplify right side
    141,351.40x = 12,355,264,703.22
  5. Step 5: Solve for x
    x = 12,355,264,703.22/141,351.40
  6. Step 6: Final answer
    x = 87,408.15

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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.