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Finding the Fourth Proportional to 93,853.43, 129,529.10 and 53,019.29

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Solution

The fourth proportional to 93,853.43, 129,529.10 and 53,019.29 is: 73,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,853.43 : 129,529.10 = 53,019.29 : x
  2. Step 2: Convert to fraction form
    93,853.43/129,529.10 = 53,019.29/x
  3. Step 3: Cross multiply
    93,853.43x = 129,529.10 × 53,019.29
  4. Step 4: Simplify right side
    93,853.43x = 6,867,540,003.60
  5. Step 5: Solve for x
    x = 6,867,540,003.60/93,853.43
  6. Step 6: Final answer
    x = 73,173.04

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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.