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Finding the Fourth Proportional to 183,887.80, 276,090.90 and 113,903.80

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Solution

The fourth proportional to 183,887.80, 276,090.90 and 113,903.80 is: 171,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,887.80 : 276,090.90 = 113,903.80 : x
  2. Step 2: Convert to fraction form
    183,887.80/276,090.90 = 113,903.80/x
  3. Step 3: Cross multiply
    183,887.80x = 276,090.90 × 113,903.80
  4. Step 4: Simplify right side
    183,887.80x = 31,447,802,655.42
  5. Step 5: Solve for x
    x = 31,447,802,655.42/183,887.80
  6. Step 6: Final answer
    x = 171,016.25

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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.