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Finding the Fourth Proportional to 93,467.86, 128,993.01 and 53,183.32

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Solution

The fourth proportional to 93,467.86, 128,993.01 and 53,183.32 is: 73,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,467.86 : 128,993.01 = 53,183.32 : x
  2. Step 2: Convert to fraction form
    93,467.86/128,993.01 = 53,183.32/x
  3. Step 3: Cross multiply
    93,467.86x = 128,993.01 × 53,183.32
  4. Step 4: Simplify right side
    93,467.86x = 6,860,276,006.67
  5. Step 5: Solve for x
    x = 6,860,276,006.67/93,467.86
  6. Step 6: Final answer
    x = 73,397.17

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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.