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Finding the Fourth Proportional to 134,199.82, 201,332.69 and 66,763.67

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Solution

The fourth proportional to 134,199.82, 201,332.69 and 66,763.67 is: 100,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,199.82 : 201,332.69 = 66,763.67 : x
  2. Step 2: Convert to fraction form
    134,199.82/201,332.69 = 66,763.67/x
  3. Step 3: Cross multiply
    134,199.82x = 201,332.69 × 66,763.67
  4. Step 4: Simplify right side
    134,199.82x = 13,441,708,941.55
  5. Step 5: Solve for x
    x = 13,441,708,941.55/134,199.82
  6. Step 6: Final answer
    x = 100,161.90

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1.5x scale

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.