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Finding the Fourth Proportional to 111,774.64, 154,236.08 and 64,025.14

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Solution

The fourth proportional to 111,774.64, 154,236.08 and 64,025.14 is: 88,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,774.64 : 154,236.08 = 64,025.14 : x
  2. Step 2: Convert to fraction form
    111,774.64/154,236.08 = 64,025.14/x
  3. Step 3: Cross multiply
    111,774.64x = 154,236.08 × 64,025.14
  4. Step 4: Simplify right side
    111,774.64x = 9,874,986,615.05
  5. Step 5: Solve for x
    x = 9,874,986,615.05/111,774.64
  6. Step 6: Final answer
    x = 88,347.29

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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.