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Finding the Fourth Proportional to 144,617.58, 216,915.42 and 44,778.60

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Solution

The fourth proportional to 144,617.58, 216,915.42 and 44,778.60 is: 67,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,617.58 : 216,915.42 = 44,778.60 : x
  2. Step 2: Convert to fraction form
    144,617.58/216,915.42 = 44,778.60/x
  3. Step 3: Cross multiply
    144,617.58x = 216,915.42 × 44,778.60
  4. Step 4: Simplify right side
    144,617.58x = 9,713,168,826.01
  5. Step 5: Solve for x
    x = 9,713,168,826.01/144,617.58
  6. Step 6: Final answer
    x = 67,164.51

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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.