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Finding the Fourth Proportional to 114,409.32, 171,613.44 and 29,020.20

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Solution

The fourth proportional to 114,409.32, 171,613.44 and 29,020.20 is: 43,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,409.32 : 171,613.44 = 29,020.20 : x
  2. Step 2: Convert to fraction form
    114,409.32/171,613.44 = 29,020.20/x
  3. Step 3: Cross multiply
    114,409.32x = 171,613.44 × 29,020.20
  4. Step 4: Simplify right side
    114,409.32x = 4,980,256,351.49
  5. Step 5: Solve for x
    x = 4,980,256,351.49/114,409.32
  6. Step 6: Final answer
    x = 43,530.16

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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.