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Finding the Fourth Proportional to 95,131.70, 142,698.95 and 45,216.89

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Solution

The fourth proportional to 95,131.70, 142,698.95 and 45,216.89 is: 67,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,131.70 : 142,698.95 = 45,216.89 : x
  2. Step 2: Convert to fraction form
    95,131.70/142,698.95 = 45,216.89/x
  3. Step 3: Cross multiply
    95,131.70x = 142,698.95 × 45,216.89
  4. Step 4: Simplify right side
    95,131.70x = 6,452,402,725.27
  5. Step 5: Solve for x
    x = 6,452,402,725.27/95,131.70
  6. Step 6: Final answer
    x = 67,826.00

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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.