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Finding the Fourth Proportional to 136,525.64, 188,411.86 and 76,096.73

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Solution

The fourth proportional to 136,525.64, 188,411.86 and 76,096.73 is: 105,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,525.64 : 188,411.86 = 76,096.73 : x
  2. Step 2: Convert to fraction form
    136,525.64/188,411.86 = 76,096.73/x
  3. Step 3: Cross multiply
    136,525.64x = 188,411.86 × 76,096.73
  4. Step 4: Simplify right side
    136,525.64x = 14,337,526,439.22
  5. Step 5: Solve for x
    x = 14,337,526,439.22/136,525.64
  6. Step 6: Final answer
    x = 105,017.10

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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.