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Finding the Fourth Proportional to 93,357.80, 140,036.78 and 40,015.16

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Solution

The fourth proportional to 93,357.80, 140,036.78 and 40,015.16 is: 60,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,357.80 : 140,036.78 = 40,015.16 : x
  2. Step 2: Convert to fraction form
    93,357.80/140,036.78 = 40,015.16/x
  3. Step 3: Cross multiply
    93,357.80x = 140,036.78 × 40,015.16
  4. Step 4: Simplify right side
    93,357.80x = 5,603,594,157.58
  5. Step 5: Solve for x
    x = 5,603,594,157.58/93,357.80
  6. Step 6: Final answer
    x = 60,022.77

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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.