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Finding the Fourth Proportional to 93,921, 140,889.71 and 23,800.32

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Solution

The fourth proportional to 93,921, 140,889.71 and 23,800.32 is: 35,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,921 : 140,889.71 = 23,800.32 : x
  2. Step 2: Convert to fraction form
    93,921/140,889.71 = 23,800.32/x
  3. Step 3: Cross multiply
    93,921x = 140,889.71 × 23,800.32
  4. Step 4: Simplify right side
    93,921x = 3,353,220,063.71
  5. Step 5: Solve for x
    x = 3,353,220,063.71/93,921
  6. Step 6: Final answer
    x = 35,702.56

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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.