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Finding the Fourth Proportional to 98,496.42, 147,532.43 and 66,732.21

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Solution

The fourth proportional to 98,496.42, 147,532.43 and 66,732.21 is: 99,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496.42 : 147,532.43 = 66,732.21 : x
  2. Step 2: Convert to fraction form
    98,496.42/147,532.43 = 66,732.21/x
  3. Step 3: Cross multiply
    98,496.42x = 147,532.43 × 66,732.21
  4. Step 4: Simplify right side
    98,496.42x = 9,845,164,766.91
  5. Step 5: Solve for x
    x = 9,845,164,766.91/98,496.42
  6. Step 6: Final answer
    x = 99,954.54

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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.