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Finding the Fourth Proportional to 171,539.64, 236,737.16 and 103,573.14

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Solution

The fourth proportional to 171,539.64, 236,737.16 and 103,573.14 is: 142,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,539.64 : 236,737.16 = 103,573.14 : x
  2. Step 2: Convert to fraction form
    171,539.64/236,737.16 = 103,573.14/x
  3. Step 3: Cross multiply
    171,539.64x = 236,737.16 × 103,573.14
  4. Step 4: Simplify right side
    171,539.64x = 24,519,611,015.88
  5. Step 5: Solve for x
    x = 24,519,611,015.88/171,539.64
  6. Step 6: Final answer
    x = 142,938.46

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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.