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Finding the Fourth Proportional to 114,311.32, 158,699.88 and 110,889.88

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Solution

The fourth proportional to 114,311.32, 158,699.88 and 110,889.88 is: 153,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,311.32 : 158,699.88 = 110,889.88 : x
  2. Step 2: Convert to fraction form
    114,311.32/158,699.88 = 110,889.88/x
  3. Step 3: Cross multiply
    114,311.32x = 158,699.88 × 110,889.88
  4. Step 4: Simplify right side
    114,311.32x = 17,598,210,649.21
  5. Step 5: Solve for x
    x = 17,598,210,649.21/114,311.32
  6. Step 6: Final answer
    x = 153,949.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.