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Finding the Fourth Proportional to 96,805.92, 145,225.80 and 44,220.72

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Solution

The fourth proportional to 96,805.92, 145,225.80 and 44,220.72 is: 66,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,805.92 : 145,225.80 = 44,220.72 : x
  2. Step 2: Convert to fraction form
    96,805.92/145,225.80 = 44,220.72/x
  3. Step 3: Cross multiply
    96,805.92x = 145,225.80 × 44,220.72
  4. Step 4: Simplify right side
    96,805.92x = 6,421,989,438.58
  5. Step 5: Solve for x
    x = 6,421,989,438.58/96,805.92
  6. Step 6: Final answer
    x = 66,338.81

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1.5x scale

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.