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Finding the Fourth Proportional to 144,938.98, 217,410.14 and 43,737.91

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Solution

The fourth proportional to 144,938.98, 217,410.14 and 43,737.91 is: 65,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938.98 : 217,410.14 = 43,737.91 : x
  2. Step 2: Convert to fraction form
    144,938.98/217,410.14 = 43,737.91/x
  3. Step 3: Cross multiply
    144,938.98x = 217,410.14 × 43,737.91
  4. Step 4: Simplify right side
    144,938.98x = 9,509,064,538.21
  5. Step 5: Solve for x
    x = 9,509,064,538.21/144,938.98
  6. Step 6: Final answer
    x = 65,607.37

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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.