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Finding the Fourth Proportional to 169,168.40, 233,399.34 and 97,538.72

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Solution

The fourth proportional to 169,168.40, 233,399.34 and 97,538.72 is: 134,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,168.40 : 233,399.34 = 97,538.72 : x
  2. Step 2: Convert to fraction form
    169,168.40/233,399.34 = 97,538.72/x
  3. Step 3: Cross multiply
    169,168.40x = 233,399.34 × 97,538.72
  4. Step 4: Simplify right side
    169,168.40x = 22,765,472,872.44
  5. Step 5: Solve for x
    x = 22,765,472,872.44/169,168.40
  6. Step 6: Final answer
    x = 134,572.85

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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.