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Finding the Fourth Proportional to 223,397.54, 308,288.60 and 122,795.54

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Solution

The fourth proportional to 223,397.54, 308,288.60 and 122,795.54 is: 169,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,397.54 : 308,288.60 = 122,795.54 : x
  2. Step 2: Convert to fraction form
    223,397.54/308,288.60 = 122,795.54/x
  3. Step 3: Cross multiply
    223,397.54x = 308,288.60 × 122,795.54
  4. Step 4: Simplify right side
    223,397.54x = 37,856,463,878.39
  5. Step 5: Solve for x
    x = 37,856,463,878.39/223,397.54
  6. Step 6: Final answer
    x = 169,457.84

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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.