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Finding the Fourth Proportional to 104,241.68, 143,854.02 and 56,495.01

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Solution

The fourth proportional to 104,241.68, 143,854.02 and 56,495.01 is: 77,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,241.68 : 143,854.02 = 56,495.01 : x
  2. Step 2: Convert to fraction form
    104,241.68/143,854.02 = 56,495.01/x
  3. Step 3: Cross multiply
    104,241.68x = 143,854.02 × 56,495.01
  4. Step 4: Simplify right side
    104,241.68x = 8,127,034,015.97
  5. Step 5: Solve for x
    x = 8,127,034,015.97/104,241.68
  6. Step 6: Final answer
    x = 77,963.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.