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Finding the Fourth Proportional to 98,138.70, 147,208.05 and 24,266.70

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Solution

The fourth proportional to 98,138.70, 147,208.05 and 24,266.70 is: 36,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,138.70 : 147,208.05 = 24,266.70 : x
  2. Step 2: Convert to fraction form
    98,138.70/147,208.05 = 24,266.70/x
  3. Step 3: Cross multiply
    98,138.70x = 147,208.05 × 24,266.70
  4. Step 4: Simplify right side
    98,138.70x = 3,572,253,586.94
  5. Step 5: Solve for x
    x = 3,572,253,586.94/98,138.70
  6. Step 6: Final answer
    x = 36,400.05

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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.