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Finding the Fourth Proportional to 95,628.61, 131,893.34 and 61,642.63

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Solution

The fourth proportional to 95,628.61, 131,893.34 and 61,642.63 is: 85,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,628.61 : 131,893.34 = 61,642.63 : x
  2. Step 2: Convert to fraction form
    95,628.61/131,893.34 = 61,642.63/x
  3. Step 3: Cross multiply
    95,628.61x = 131,893.34 × 61,642.63
  4. Step 4: Simplify right side
    95,628.61x = 8,130,252,357.08
  5. Step 5: Solve for x
    x = 8,130,252,357.08/95,628.61
  6. Step 6: Final answer
    x = 85,019.04

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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.