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Finding the Fourth Proportional to 93,911.70, 140,855.22 and 46,508.34

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Solution

The fourth proportional to 93,911.70, 140,855.22 and 46,508.34 is: 69,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,911.70 : 140,855.22 = 46,508.34 : x
  2. Step 2: Convert to fraction form
    93,911.70/140,855.22 = 46,508.34/x
  3. Step 3: Cross multiply
    93,911.70x = 140,855.22 × 46,508.34
  4. Step 4: Simplify right side
    93,911.70x = 6,550,942,462.53
  5. Step 5: Solve for x
    x = 6,550,942,462.53/93,911.70
  6. Step 6: Final answer
    x = 69,756.40

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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.