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Finding the Fourth Proportional to 167,381.87, 230,970.96 and 94,788.05

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Solution

The fourth proportional to 167,381.87, 230,970.96 and 94,788.05 is: 130,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,381.87 : 230,970.96 = 94,788.05 : x
  2. Step 2: Convert to fraction form
    167,381.87/230,970.96 = 94,788.05/x
  3. Step 3: Cross multiply
    167,381.87x = 230,970.96 × 94,788.05
  4. Step 4: Simplify right side
    167,381.87x = 21,893,285,750.17
  5. Step 5: Solve for x
    x = 21,893,285,750.17/167,381.87
  6. Step 6: Final answer
    x = 130,798.43

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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.