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Finding the Fourth Proportional to 95,559.45, 131,890.32 and 63,294.45

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Solution

The fourth proportional to 95,559.45, 131,890.32 and 63,294.45 is: 87,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,559.45 : 131,890.32 = 63,294.45 : x
  2. Step 2: Convert to fraction form
    95,559.45/131,890.32 = 63,294.45/x
  3. Step 3: Cross multiply
    95,559.45x = 131,890.32 × 63,294.45
  4. Step 4: Simplify right side
    95,559.45x = 8,347,925,264.72
  5. Step 5: Solve for x
    x = 8,347,925,264.72/95,559.45
  6. Step 6: Final answer
    x = 87,358.45

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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.