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Finding the Fourth Proportional to 124,369.28, 171,633.24 and 67,784.32

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Solution

The fourth proportional to 124,369.28, 171,633.24 and 67,784.32 is: 93,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,369.28 : 171,633.24 = 67,784.32 : x
  2. Step 2: Convert to fraction form
    124,369.28/171,633.24 = 67,784.32/x
  3. Step 3: Cross multiply
    124,369.28x = 171,633.24 × 67,784.32
  4. Step 4: Simplify right side
    124,369.28x = 11,634,042,462.80
  5. Step 5: Solve for x
    x = 11,634,042,462.80/124,369.28
  6. Step 6: Final answer
    x = 93,544.34

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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.