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Finding the Fourth Proportional to 93,777.81, 129,412.55 and 50,756.44

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Solution

The fourth proportional to 93,777.81, 129,412.55 and 50,756.44 is: 70,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,777.81 : 129,412.55 = 50,756.44 : x
  2. Step 2: Convert to fraction form
    93,777.81/129,412.55 = 50,756.44/x
  3. Step 3: Cross multiply
    93,777.81x = 129,412.55 × 50,756.44
  4. Step 4: Simplify right side
    93,777.81x = 6,568,520,329.32
  5. Step 5: Solve for x
    x = 6,568,520,329.32/93,777.81
  6. Step 6: Final answer
    x = 70,043.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.