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Finding the Fourth Proportional to 82,051.44, 122,627.40 and 59,911.44

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Solution

The fourth proportional to 82,051.44, 122,627.40 and 59,911.44 is: 89,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,051.44 : 122,627.40 = 59,911.44 : x
  2. Step 2: Convert to fraction form
    82,051.44/122,627.40 = 59,911.44/x
  3. Step 3: Cross multiply
    82,051.44x = 122,627.40 × 59,911.44
  4. Step 4: Simplify right side
    82,051.44x = 7,346,784,117.46
  5. Step 5: Solve for x
    x = 7,346,784,117.46/82,051.44
  6. Step 6: Final answer
    x = 89,538.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.