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Finding the Fourth Proportional to 182,193.77, 251,623.44 and 138,709.40

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Solution

The fourth proportional to 182,193.77, 251,623.44 and 138,709.40 is: 191,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,193.77 : 251,623.44 = 138,709.40 : x
  2. Step 2: Convert to fraction form
    182,193.77/251,623.44 = 138,709.40/x
  3. Step 3: Cross multiply
    182,193.77x = 251,623.44 × 138,709.40
  4. Step 4: Simplify right side
    182,193.77x = 34,902,535,130.22
  5. Step 5: Solve for x
    x = 34,902,535,130.22/182,193.77
  6. Step 6: Final answer
    x = 191,568.22

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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.