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Finding the Fourth Proportional to 82,755.51, 114,201.50 and 45,029.67

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Solution

The fourth proportional to 82,755.51, 114,201.50 and 45,029.67 is: 62,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755.51 : 114,201.50 = 45,029.67 : x
  2. Step 2: Convert to fraction form
    82,755.51/114,201.50 = 45,029.67/x
  3. Step 3: Cross multiply
    82,755.51x = 114,201.50 × 45,029.67
  4. Step 4: Simplify right side
    82,755.51x = 5,142,455,633.36
  5. Step 5: Solve for x
    x = 5,142,455,633.36/82,755.51
  6. Step 6: Final answer
    x = 62,140.34

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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.