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Finding the Fourth Proportional to 111,025.30, 166,209.90 and 97,903.30

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Solution

The fourth proportional to 111,025.30, 166,209.90 and 97,903.30 is: 146,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,025.30 : 166,209.90 = 97,903.30 : x
  2. Step 2: Convert to fraction form
    111,025.30/166,209.90 = 97,903.30/x
  3. Step 3: Cross multiply
    111,025.30x = 166,209.90 × 97,903.30
  4. Step 4: Simplify right side
    111,025.30x = 16,272,497,702.67
  5. Step 5: Solve for x
    x = 16,272,497,702.67/111,025.30
  6. Step 6: Final answer
    x = 146,565.67

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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.