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Finding the Fourth Proportional to 104,102.36, 156,130.16 and 47,888.48

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Solution

The fourth proportional to 104,102.36, 156,130.16 and 47,888.48 is: 71,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.36 : 156,130.16 = 47,888.48 : x
  2. Step 2: Convert to fraction form
    104,102.36/156,130.16 = 47,888.48/x
  3. Step 3: Cross multiply
    104,102.36x = 156,130.16 × 47,888.48
  4. Step 4: Simplify right side
    104,102.36x = 7,476,836,044.56
  5. Step 5: Solve for x
    x = 7,476,836,044.56/104,102.36
  6. Step 6: Final answer
    x = 71,821.96

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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.