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Finding the Fourth Proportional to 120,301.88, 166,060.35 and 70,000.88

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Solution

The fourth proportional to 120,301.88, 166,060.35 and 70,000.88 is: 96,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,301.88 : 166,060.35 = 70,000.88 : x
  2. Step 2: Convert to fraction form
    120,301.88/166,060.35 = 70,000.88/x
  3. Step 3: Cross multiply
    120,301.88x = 166,060.35 × 70,000.88
  4. Step 4: Simplify right side
    120,301.88x = 11,624,369,802.81
  5. Step 5: Solve for x
    x = 11,624,369,802.81/120,301.88
  6. Step 6: Final answer
    x = 96,626.67

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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.