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Finding the Fourth Proportional to 104,847.40, 156,510.92 and 97,042.56

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Solution

The fourth proportional to 104,847.40, 156,510.92 and 97,042.56 is: 144,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,847.40 : 156,510.92 = 97,042.56 : x
  2. Step 2: Convert to fraction form
    104,847.40/156,510.92 = 97,042.56/x
  3. Step 3: Cross multiply
    104,847.40x = 156,510.92 × 97,042.56
  4. Step 4: Simplify right side
    104,847.40x = 15,188,220,344.76
  5. Step 5: Solve for x
    x = 15,188,220,344.76/104,847.40
  6. Step 6: Final answer
    x = 144,860.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.