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Finding the Fourth Proportional to 104,513.70, 156,770.55 and 97,515.30

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Solution

The fourth proportional to 104,513.70, 156,770.55 and 97,515.30 is: 146,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,513.70 : 156,770.55 = 97,515.30 : x
  2. Step 2: Convert to fraction form
    104,513.70/156,770.55 = 97,515.30/x
  3. Step 3: Cross multiply
    104,513.70x = 156,770.55 × 97,515.30
  4. Step 4: Simplify right side
    104,513.70x = 15,287,527,214.42
  5. Step 5: Solve for x
    x = 15,287,527,214.42/104,513.70
  6. Step 6: Final answer
    x = 146,272.95

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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.