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Finding the Fourth Proportional to 120,349.68, 166,096.98 and 70,048.68

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Solution

The fourth proportional to 120,349.68, 166,096.98 and 70,048.68 is: 96,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,349.68 : 166,096.98 = 70,048.68 : x
  2. Step 2: Convert to fraction form
    120,349.68/166,096.98 = 70,048.68/x
  3. Step 3: Cross multiply
    120,349.68x = 166,096.98 × 70,048.68
  4. Step 4: Simplify right side
    120,349.68x = 11,634,874,200.99
  5. Step 5: Solve for x
    x = 11,634,874,200.99/120,349.68
  6. Step 6: Final answer
    x = 96,675.57

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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.