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Finding the Fourth Proportional to 123,600.92, 170,569.64 and 67,012.32

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Solution

The fourth proportional to 123,600.92, 170,569.64 and 67,012.32 is: 92,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,600.92 : 170,569.64 = 67,012.32 : x
  2. Step 2: Convert to fraction form
    123,600.92/170,569.64 = 67,012.32/x
  3. Step 3: Cross multiply
    123,600.92x = 170,569.64 × 67,012.32
  4. Step 4: Simplify right side
    123,600.92x = 11,430,267,297.96
  5. Step 5: Solve for x
    x = 11,430,267,297.96/123,600.92
  6. Step 6: Final answer
    x = 92,477.20

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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.