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Finding the Fourth Proportional to 194,891.40, 292,337.10 and 76,523.40

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Solution

The fourth proportional to 194,891.40, 292,337.10 and 76,523.40 is: 114,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,891.40 : 292,337.10 = 76,523.40 : x
  2. Step 2: Convert to fraction form
    194,891.40/292,337.10 = 76,523.40/x
  3. Step 3: Cross multiply
    194,891.40x = 292,337.10 × 76,523.40
  4. Step 4: Simplify right side
    194,891.40x = 22,370,628,838.14
  5. Step 5: Solve for x
    x = 22,370,628,838.14/194,891.40
  6. Step 6: Final answer
    x = 114,785.10

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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.