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Finding the Fourth Proportional to 111,783.63, 154,259.88 and 60,795.26

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Solution

The fourth proportional to 111,783.63, 154,259.88 and 60,795.26 is: 83,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,783.63 : 154,259.88 = 60,795.26 : x
  2. Step 2: Convert to fraction form
    111,783.63/154,259.88 = 60,795.26/x
  3. Step 3: Cross multiply
    111,783.63x = 154,259.88 × 60,795.26
  4. Step 4: Simplify right side
    111,783.63x = 9,378,268,740.87
  5. Step 5: Solve for x
    x = 9,378,268,740.87/111,783.63
  6. Step 6: Final answer
    x = 83,896.62

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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.