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Finding the Fourth Proportional to 103,548.88, 155,323.52 and 28,669.24

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Solution

The fourth proportional to 103,548.88, 155,323.52 and 28,669.24 is: 43,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,548.88 : 155,323.52 = 28,669.24 : x
  2. Step 2: Convert to fraction form
    103,548.88/155,323.52 = 28,669.24/x
  3. Step 3: Cross multiply
    103,548.88x = 155,323.52 × 28,669.24
  4. Step 4: Simplify right side
    103,548.88x = 4,453,007,272.52
  5. Step 5: Solve for x
    x = 4,453,007,272.52/103,548.88
  6. Step 6: Final answer
    x = 43,003.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.