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Finding the Fourth Proportional to 161,882.08, 223,433.04 and 105,195.04

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Solution

The fourth proportional to 161,882.08, 223,433.04 and 105,195.04 is: 145,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,882.08 : 223,433.04 = 105,195.04 : x
  2. Step 2: Convert to fraction form
    161,882.08/223,433.04 = 105,195.04/x
  3. Step 3: Cross multiply
    161,882.08x = 223,433.04 × 105,195.04
  4. Step 4: Simplify right side
    161,882.08x = 23,504,047,580.12
  5. Step 5: Solve for x
    x = 23,504,047,580.12/161,882.08
  6. Step 6: Final answer
    x = 145,192.40

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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.