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Finding the Fourth Proportional to 144,361.04, 216,487.62 and 49,564.31

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Solution

The fourth proportional to 144,361.04, 216,487.62 and 49,564.31 is: 74,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,361.04 : 216,487.62 = 49,564.31 : x
  2. Step 2: Convert to fraction form
    144,361.04/216,487.62 = 49,564.31/x
  3. Step 3: Cross multiply
    144,361.04x = 216,487.62 × 49,564.31
  4. Step 4: Simplify right side
    144,361.04x = 10,730,058,426.40
  5. Step 5: Solve for x
    x = 10,730,058,426.40/144,361.04
  6. Step 6: Final answer
    x = 74,327.94

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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.