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Finding the Fourth Proportional to 120,479.90, 166,184.33 and 94,946.67

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Solution

The fourth proportional to 120,479.90, 166,184.33 and 94,946.67 is: 130,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,479.90 : 166,184.33 = 94,946.67 : x
  2. Step 2: Convert to fraction form
    120,479.90/166,184.33 = 94,946.67/x
  3. Step 3: Cross multiply
    120,479.90x = 166,184.33 × 94,946.67
  4. Step 4: Simplify right side
    120,479.90x = 15,778,648,264.95
  5. Step 5: Solve for x
    x = 15,778,648,264.95/120,479.90
  6. Step 6: Final answer
    x = 130,964.99

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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.