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Finding the Fourth Proportional to 124,558.75, 171,894.72 and 67,973.77

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Solution

The fourth proportional to 124,558.75, 171,894.72 and 67,973.77 is: 93,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558.75 : 171,894.72 = 67,973.77 : x
  2. Step 2: Convert to fraction form
    124,558.75/171,894.72 = 67,973.77/x
  3. Step 3: Cross multiply
    124,558.75x = 171,894.72 × 67,973.77
  4. Step 4: Simplify right side
    124,558.75x = 11,684,332,161.49
  5. Step 5: Solve for x
    x = 11,684,332,161.49/124,558.75
  6. Step 6: Final answer
    x = 93,805.79

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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.