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Finding the Fourth Proportional to 171,472.36, 236,693.96 and 139,585.88

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Solution

The fourth proportional to 171,472.36, 236,693.96 and 139,585.88 is: 192,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,472.36 : 236,693.96 = 139,585.88 : x
  2. Step 2: Convert to fraction form
    171,472.36/236,693.96 = 139,585.88/x
  3. Step 3: Cross multiply
    171,472.36x = 236,693.96 × 139,585.88
  4. Step 4: Simplify right side
    171,472.36x = 33,039,134,697.28
  5. Step 5: Solve for x
    x = 33,039,134,697.28/171,472.36
  6. Step 6: Final answer
    x = 192,679.07

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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.