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Finding the Fourth Proportional to 82,749.60, 124,124.40 and 27,345.60

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Solution

The fourth proportional to 82,749.60, 124,124.40 and 27,345.60 is: 41,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,749.60 : 124,124.40 = 27,345.60 : x
  2. Step 2: Convert to fraction form
    82,749.60/124,124.40 = 27,345.60/x
  3. Step 3: Cross multiply
    82,749.60x = 124,124.40 × 27,345.60
  4. Step 4: Simplify right side
    82,749.60x = 3,394,256,192.64
  5. Step 5: Solve for x
    x = 3,394,256,192.64/82,749.60
  6. Step 6: Final answer
    x = 41,018.40

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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.