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Finding the Fourth Proportional to 111,000.60, 166,500.90 and 63,615.60

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Solution

The fourth proportional to 111,000.60, 166,500.90 and 63,615.60 is: 95,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000.60 : 166,500.90 = 63,615.60 : x
  2. Step 2: Convert to fraction form
    111,000.60/166,500.90 = 63,615.60/x
  3. Step 3: Cross multiply
    111,000.60x = 166,500.90 × 63,615.60
  4. Step 4: Simplify right side
    111,000.60x = 10,592,054,654.04
  5. Step 5: Solve for x
    x = 10,592,054,654.04/111,000.60
  6. Step 6: Final answer
    x = 95,423.40

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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.