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Finding the Fourth Proportional to 93,148.92, 128,546.10 and 50,707.44

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Solution

The fourth proportional to 93,148.92, 128,546.10 and 50,707.44 is: 69,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,148.92 : 128,546.10 = 50,707.44 : x
  2. Step 2: Convert to fraction form
    93,148.92/128,546.10 = 50,707.44/x
  3. Step 3: Cross multiply
    93,148.92x = 128,546.10 × 50,707.44
  4. Step 4: Simplify right side
    93,148.92x = 6,518,243,652.98
  5. Step 5: Solve for x
    x = 6,518,243,652.98/93,148.92
  6. Step 6: Final answer
    x = 69,976.59

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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.