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Finding the Fourth Proportional to 144,643.72, 216,970.62 and 44,794.84

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Solution

The fourth proportional to 144,643.72, 216,970.62 and 44,794.84 is: 67,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,643.72 : 216,970.62 = 44,794.84 : x
  2. Step 2: Convert to fraction form
    144,643.72/216,970.62 = 44,794.84/x
  3. Step 3: Cross multiply
    144,643.72x = 216,970.62 × 44,794.84
  4. Step 4: Simplify right side
    144,643.72x = 9,719,164,207.60
  5. Step 5: Solve for x
    x = 9,719,164,207.60/144,643.72
  6. Step 6: Final answer
    x = 67,193.82

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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.