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Finding the Fourth Proportional to 122,503.41, 169,006.46 and 70,786.33

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Solution

The fourth proportional to 122,503.41, 169,006.46 and 70,786.33 is: 97,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,503.41 : 169,006.46 = 70,786.33 : x
  2. Step 2: Convert to fraction form
    122,503.41/169,006.46 = 70,786.33/x
  3. Step 3: Cross multiply
    122,503.41x = 169,006.46 × 70,786.33
  4. Step 4: Simplify right side
    122,503.41x = 11,963,347,049.69
  5. Step 5: Solve for x
    x = 11,963,347,049.69/122,503.41
  6. Step 6: Final answer
    x = 97,657.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.