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Finding the Fourth Proportional to 144,476.60, 216,677.63 and 43,254.68

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Solution

The fourth proportional to 144,476.60, 216,677.63 and 43,254.68 is: 64,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,476.60 : 216,677.63 = 43,254.68 : x
  2. Step 2: Convert to fraction form
    144,476.60/216,677.63 = 43,254.68/x
  3. Step 3: Cross multiply
    144,476.60x = 216,677.63 × 43,254.68
  4. Step 4: Simplify right side
    144,476.60x = 9,372,320,573.56
  5. Step 5: Solve for x
    x = 9,372,320,573.56/144,476.60
  6. Step 6: Final answer
    x = 64,870.86

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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.