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Finding the Fourth Proportional to 93,521.70, 129,027.92 and 53,225.37

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Solution

The fourth proportional to 93,521.70, 129,027.92 and 53,225.37 is: 73,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,521.70 : 129,027.92 = 53,225.37 : x
  2. Step 2: Convert to fraction form
    93,521.70/129,027.92 = 53,225.37/x
  3. Step 3: Cross multiply
    93,521.70x = 129,027.92 × 53,225.37
  4. Step 4: Simplify right side
    93,521.70x = 6,867,558,516.20
  5. Step 5: Solve for x
    x = 6,867,558,516.20/93,521.70
  6. Step 6: Final answer
    x = 73,432.78

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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.