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Finding the Fourth Proportional to 169,271.10, 233,487.90 and 108,920.16

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Solution

The fourth proportional to 169,271.10, 233,487.90 and 108,920.16 is: 150,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,271.10 : 233,487.90 = 108,920.16 : x
  2. Step 2: Convert to fraction form
    169,271.10/233,487.90 = 108,920.16/x
  3. Step 3: Cross multiply
    169,271.10x = 233,487.90 × 108,920.16
  4. Step 4: Simplify right side
    169,271.10x = 25,431,539,426.06
  5. Step 5: Solve for x
    x = 25,431,539,426.06/169,271.10
  6. Step 6: Final answer
    x = 150,241.47

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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.