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Finding the Fourth Proportional to 111,549.09, 167,323.65 and 28,443.09

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Solution

The fourth proportional to 111,549.09, 167,323.65 and 28,443.09 is: 42,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,549.09 : 167,323.65 = 28,443.09 : x
  2. Step 2: Convert to fraction form
    111,549.09/167,323.65 = 28,443.09/x
  3. Step 3: Cross multiply
    111,549.09x = 167,323.65 × 28,443.09
  4. Step 4: Simplify right side
    111,549.09x = 4,759,201,636.08
  5. Step 5: Solve for x
    x = 4,759,201,636.08/111,549.09
  6. Step 6: Final answer
    x = 42,664.64

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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.