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Finding the Fourth Proportional to 194,808.72, 292,037.64 and 70,062

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Solution

The fourth proportional to 194,808.72, 292,037.64 and 70,062 is: 105,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808.72 : 292,037.64 = 70,062 : x
  2. Step 2: Convert to fraction form
    194,808.72/292,037.64 = 70,062/x
  3. Step 3: Cross multiply
    194,808.72x = 292,037.64 × 70,062
  4. Step 4: Simplify right side
    194,808.72x = 20,460,741,133.68
  5. Step 5: Solve for x
    x = 20,460,741,133.68/194,808.72
  6. Step 6: Final answer
    x = 105,029.90

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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.