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Finding the Fourth Proportional to 124,496.75, 171,811.59 and 70,065.92

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Solution

The fourth proportional to 124,496.75, 171,811.59 and 70,065.92 is: 96,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,496.75 : 171,811.59 = 70,065.92 : x
  2. Step 2: Convert to fraction form
    124,496.75/171,811.59 = 70,065.92/x
  3. Step 3: Cross multiply
    124,496.75x = 171,811.59 × 70,065.92
  4. Step 4: Simplify right side
    124,496.75x = 12,038,137,120.01
  5. Step 5: Solve for x
    x = 12,038,137,120.01/124,496.75
  6. Step 6: Final answer
    x = 96,694.39

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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.