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Finding the Fourth Proportional to 173,142.60, 259,786.80 and 94,313.40

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Solution

The fourth proportional to 173,142.60, 259,786.80 and 94,313.40 is: 141,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,142.60 : 259,786.80 = 94,313.40 : x
  2. Step 2: Convert to fraction form
    173,142.60/259,786.80 = 94,313.40/x
  3. Step 3: Cross multiply
    173,142.60x = 259,786.80 × 94,313.40
  4. Step 4: Simplify right side
    173,142.60x = 24,501,376,383.12
  5. Step 5: Solve for x
    x = 24,501,376,383.12/173,142.60
  6. Step 6: Final answer
    x = 141,509.81

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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.