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Finding the Fourth Proportional to 106,596.72, 147,122.73 and 63,578.97

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Solution

The fourth proportional to 106,596.72, 147,122.73 and 63,578.97 is: 87,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,596.72 : 147,122.73 = 63,578.97 : x
  2. Step 2: Convert to fraction form
    106,596.72/147,122.73 = 63,578.97/x
  3. Step 3: Cross multiply
    106,596.72x = 147,122.73 × 63,578.97
  4. Step 4: Simplify right side
    106,596.72x = 9,353,911,636.99
  5. Step 5: Solve for x
    x = 9,353,911,636.99/106,596.72
  6. Step 6: Final answer
    x = 87,750.46

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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.