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Finding the Fourth Proportional to 82,898.45, 114,452.12 and 58,750.63

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Solution

The fourth proportional to 82,898.45, 114,452.12 and 58,750.63 is: 81,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,898.45 : 114,452.12 = 58,750.63 : x
  2. Step 2: Convert to fraction form
    82,898.45/114,452.12 = 58,750.63/x
  3. Step 3: Cross multiply
    82,898.45x = 114,452.12 × 58,750.63
  4. Step 4: Simplify right side
    82,898.45x = 6,724,134,015.58
  5. Step 5: Solve for x
    x = 6,724,134,015.58/82,898.45
  6. Step 6: Final answer
    x = 81,112.90

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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.