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Finding the Fourth Proportional to 123,953.58, 171,056.97 and 67,364.94

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Solution

The fourth proportional to 123,953.58, 171,056.97 and 67,364.94 is: 92,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.58 : 171,056.97 = 67,364.94 : x
  2. Step 2: Convert to fraction form
    123,953.58/171,056.97 = 67,364.94/x
  3. Step 3: Cross multiply
    123,953.58x = 171,056.97 × 67,364.94
  4. Step 4: Simplify right side
    123,953.58x = 11,523,242,520.63
  5. Step 5: Solve for x
    x = 11,523,242,520.63/123,953.58
  6. Step 6: Final answer
    x = 92,964.18

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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.