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Finding the Fourth Proportional to 168,911.64, 253,406.89 and 48,971.10

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Solution

The fourth proportional to 168,911.64, 253,406.89 and 48,971.10 is: 73,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,911.64 : 253,406.89 = 48,971.10 : x
  2. Step 2: Convert to fraction form
    168,911.64/253,406.89 = 48,971.10/x
  3. Step 3: Cross multiply
    168,911.64x = 253,406.89 × 48,971.10
  4. Step 4: Simplify right side
    168,911.64x = 12,409,613,261.82
  5. Step 5: Solve for x
    x = 12,409,613,261.82/168,911.64
  6. Step 6: Final answer
    x = 73,468.07

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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.