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Finding the Fourth Proportional to 123,620.96, 170,597.24 and 67,032.32

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Solution

The fourth proportional to 123,620.96, 170,597.24 and 67,032.32 is: 92,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,620.96 : 170,597.24 = 67,032.32 : x
  2. Step 2: Convert to fraction form
    123,620.96/170,597.24 = 67,032.32/x
  3. Step 3: Cross multiply
    123,620.96x = 170,597.24 × 67,032.32
  4. Step 4: Simplify right side
    123,620.96x = 11,435,528,782.80
  5. Step 5: Solve for x
    x = 11,435,528,782.80/123,620.96
  6. Step 6: Final answer
    x = 92,504.77

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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.