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Finding the Fourth Proportional to 82,868.96, 124,255.44 and 56,605.44

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Solution

The fourth proportional to 82,868.96, 124,255.44 and 56,605.44 is: 84,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,868.96 : 124,255.44 = 56,605.44 : x
  2. Step 2: Convert to fraction form
    82,868.96/124,255.44 = 56,605.44/x
  3. Step 3: Cross multiply
    82,868.96x = 124,255.44 × 56,605.44
  4. Step 4: Simplify right side
    82,868.96x = 7,033,533,853.59
  5. Step 5: Solve for x
    x = 7,033,533,853.59/82,868.96
  6. Step 6: Final answer
    x = 84,875.37

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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.