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Finding the Fourth Proportional to 111,509.73, 167,297.40 and 44,915.58

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Solution

The fourth proportional to 111,509.73, 167,297.40 and 44,915.58 is: 67,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,509.73 : 167,297.40 = 44,915.58 : x
  2. Step 2: Convert to fraction form
    111,509.73/167,297.40 = 44,915.58/x
  3. Step 3: Cross multiply
    111,509.73x = 167,297.40 × 44,915.58
  4. Step 4: Simplify right side
    111,509.73x = 7,514,259,753.49
  5. Step 5: Solve for x
    x = 7,514,259,753.49/111,509.73
  6. Step 6: Final answer
    x = 67,386.58

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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.