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Finding the Fourth Proportional to 94,682.40, 142,023.60 and 47,929.20

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Solution

The fourth proportional to 94,682.40, 142,023.60 and 47,929.20 is: 71,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,682.40 : 142,023.60 = 47,929.20 : x
  2. Step 2: Convert to fraction form
    94,682.40/142,023.60 = 47,929.20/x
  3. Step 3: Cross multiply
    94,682.40x = 142,023.60 × 47,929.20
  4. Step 4: Simplify right side
    94,682.40x = 6,807,077,529.12
  5. Step 5: Solve for x
    x = 6,807,077,529.12/94,682.40
  6. Step 6: Final answer
    x = 71,893.80

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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.