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Finding the Fourth Proportional to 93,818.40, 140,741.92 and 37,658.40

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Solution

The fourth proportional to 93,818.40, 140,741.92 and 37,658.40 is: 56,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,818.40 : 140,741.92 = 37,658.40 : x
  2. Step 2: Convert to fraction form
    93,818.40/140,741.92 = 37,658.40/x
  3. Step 3: Cross multiply
    93,818.40x = 140,741.92 × 37,658.40
  4. Step 4: Simplify right side
    93,818.40x = 5,300,115,520.13
  5. Step 5: Solve for x
    x = 5,300,115,520.13/93,818.40
  6. Step 6: Final answer
    x = 56,493.35

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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.