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Finding the Fourth Proportional to 132,958.44, 183,482.90 and 72,529.16

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Solution

The fourth proportional to 132,958.44, 183,482.90 and 72,529.16 is: 100,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,958.44 : 183,482.90 = 72,529.16 : x
  2. Step 2: Convert to fraction form
    132,958.44/183,482.90 = 72,529.16/x
  3. Step 3: Cross multiply
    132,958.44x = 183,482.90 × 72,529.16
  4. Step 4: Simplify right side
    132,958.44x = 13,307,860,611.36
  5. Step 5: Solve for x
    x = 13,307,860,611.36/132,958.44
  6. Step 6: Final answer
    x = 100,090.38

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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.