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Finding the Fourth Proportional to 168,477.42, 252,631.56 and 56,118.12

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Solution

The fourth proportional to 168,477.42, 252,631.56 and 56,118.12 is: 84,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,477.42 : 252,631.56 = 56,118.12 : x
  2. Step 2: Convert to fraction form
    168,477.42/252,631.56 = 56,118.12/x
  3. Step 3: Cross multiply
    168,477.42x = 252,631.56 × 56,118.12
  4. Step 4: Simplify right side
    168,477.42x = 14,177,208,199.87
  5. Step 5: Solve for x
    x = 14,177,208,199.87/168,477.42
  6. Step 6: Final answer
    x = 84,149.01

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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.