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Finding the Fourth Proportional to 194,603.40, 292,002.30 and 110,428.20

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Solution

The fourth proportional to 194,603.40, 292,002.30 and 110,428.20 is: 165,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,603.40 : 292,002.30 = 110,428.20 : x
  2. Step 2: Convert to fraction form
    194,603.40/292,002.30 = 110,428.20/x
  3. Step 3: Cross multiply
    194,603.40x = 292,002.30 × 110,428.20
  4. Step 4: Simplify right side
    194,603.40x = 32,245,288,384.86
  5. Step 5: Solve for x
    x = 32,245,288,384.86/194,603.40
  6. Step 6: Final answer
    x = 165,697.46

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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.