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Finding the Fourth Proportional to 109,814.56, 151,464.08 and 69,534.88

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Solution

The fourth proportional to 109,814.56, 151,464.08 and 69,534.88 is: 95,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,814.56 : 151,464.08 = 69,534.88 : x
  2. Step 2: Convert to fraction form
    109,814.56/151,464.08 = 69,534.88/x
  3. Step 3: Cross multiply
    109,814.56x = 151,464.08 × 69,534.88
  4. Step 4: Simplify right side
    109,814.56x = 10,532,036,627.11
  5. Step 5: Solve for x
    x = 10,532,036,627.11/109,814.56
  6. Step 6: Final answer
    x = 95,907.47

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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.