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Finding the Fourth Proportional to 144,315.68, 216,497.21 and 44,475.89

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Solution

The fourth proportional to 144,315.68, 216,497.21 and 44,475.89 is: 66,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,315.68 : 216,497.21 = 44,475.89 : x
  2. Step 2: Convert to fraction form
    144,315.68/216,497.21 = 44,475.89/x
  3. Step 3: Cross multiply
    144,315.68x = 216,497.21 × 44,475.89
  4. Step 4: Simplify right side
    144,315.68x = 9,628,904,792.40
  5. Step 5: Solve for x
    x = 9,628,904,792.40/144,315.68
  6. Step 6: Final answer
    x = 66,721.13

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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.