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Finding the Fourth Proportional to 114,082.45, 157,432.79 and 63,094.09

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Solution

The fourth proportional to 114,082.45, 157,432.79 and 63,094.09 is: 87,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,082.45 : 157,432.79 = 63,094.09 : x
  2. Step 2: Convert to fraction form
    114,082.45/157,432.79 = 63,094.09/x
  3. Step 3: Cross multiply
    114,082.45x = 157,432.79 × 63,094.09
  4. Step 4: Simplify right side
    114,082.45x = 9,933,078,621.21
  5. Step 5: Solve for x
    x = 9,933,078,621.21/114,082.45
  6. Step 6: Final answer
    x = 87,069.30

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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.