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Finding the Fourth Proportional to 82,843.52, 124,235.04 and 30,237.44

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Solution

The fourth proportional to 82,843.52, 124,235.04 and 30,237.44 is: 45,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,843.52 : 124,235.04 = 30,237.44 : x
  2. Step 2: Convert to fraction form
    82,843.52/124,235.04 = 30,237.44/x
  3. Step 3: Cross multiply
    82,843.52x = 124,235.04 × 30,237.44
  4. Step 4: Simplify right side
    82,843.52x = 3,756,549,567.90
  5. Step 5: Solve for x
    x = 3,756,549,567.90/82,843.52
  6. Step 6: Final answer
    x = 45,345.12

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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.