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Finding the Fourth Proportional to 144,473.70, 216,731.34 and 44,642.64

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Solution

The fourth proportional to 144,473.70, 216,731.34 and 44,642.64 is: 66,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,473.70 : 216,731.34 = 44,642.64 : x
  2. Step 2: Convert to fraction form
    144,473.70/216,731.34 = 44,642.64/x
  3. Step 3: Cross multiply
    144,473.70x = 216,731.34 × 44,642.64
  4. Step 4: Simplify right side
    144,473.70x = 9,675,459,188.34
  5. Step 5: Solve for x
    x = 9,675,459,188.34/144,473.70
  6. Step 6: Final answer
    x = 66,970.38

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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.