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Finding the Fourth Proportional to 82,665.96, 124,014.90 and 35,280.36

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Solution

The fourth proportional to 82,665.96, 124,014.90 and 35,280.36 is: 52,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,665.96 : 124,014.90 = 35,280.36 : x
  2. Step 2: Convert to fraction form
    82,665.96/124,014.90 = 35,280.36/x
  3. Step 3: Cross multiply
    82,665.96x = 124,014.90 × 35,280.36
  4. Step 4: Simplify right side
    82,665.96x = 4,375,290,317.36
  5. Step 5: Solve for x
    x = 4,375,290,317.36/82,665.96
  6. Step 6: Final answer
    x = 52,927.35

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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.