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Finding the Fourth Proportional to 93,815.70, 140,723.55 and 47,051.70

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Solution

The fourth proportional to 93,815.70, 140,723.55 and 47,051.70 is: 70,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,815.70 : 140,723.55 = 47,051.70 : x
  2. Step 2: Convert to fraction form
    93,815.70/140,723.55 = 47,051.70/x
  3. Step 3: Cross multiply
    93,815.70x = 140,723.55 × 47,051.70
  4. Step 4: Simplify right side
    93,815.70x = 6,621,282,257.54
  5. Step 5: Solve for x
    x = 6,621,282,257.54/93,815.70
  6. Step 6: Final answer
    x = 70,577.55

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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.