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Finding the Fourth Proportional to 111,354.04, 166,808.52 and 66,956.48

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Solution

The fourth proportional to 111,354.04, 166,808.52 and 66,956.48 is: 100,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,354.04 : 166,808.52 = 66,956.48 : x
  2. Step 2: Convert to fraction form
    111,354.04/166,808.52 = 66,956.48/x
  3. Step 3: Cross multiply
    111,354.04x = 166,808.52 × 66,956.48
  4. Step 4: Simplify right side
    111,354.04x = 11,168,911,333.21
  5. Step 5: Solve for x
    x = 11,168,911,333.21/111,354.04
  6. Step 6: Final answer
    x = 100,300.91

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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.