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Finding the Fourth Proportional to 192,496.56, 288,679.20 and 97,690.32

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Solution

The fourth proportional to 192,496.56, 288,679.20 and 97,690.32 is: 146,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,496.56 : 288,679.20 = 97,690.32 : x
  2. Step 2: Convert to fraction form
    192,496.56/288,679.20 = 97,690.32/x
  3. Step 3: Cross multiply
    192,496.56x = 288,679.20 × 97,690.32
  4. Step 4: Simplify right side
    192,496.56x = 28,201,163,425.34
  5. Step 5: Solve for x
    x = 28,201,163,425.34/192,496.56
  6. Step 6: Final answer
    x = 146,502.17

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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.