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Finding the Fourth Proportional to 104,491.07, 144,241.81 and 70,545.53

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Solution

The fourth proportional to 104,491.07, 144,241.81 and 70,545.53 is: 97,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,491.07 : 144,241.81 = 70,545.53 : x
  2. Step 2: Convert to fraction form
    104,491.07/144,241.81 = 70,545.53/x
  3. Step 3: Cross multiply
    104,491.07x = 144,241.81 × 70,545.53
  4. Step 4: Simplify right side
    104,491.07x = 10,175,615,471.58
  5. Step 5: Solve for x
    x = 10,175,615,471.58/104,491.07
  6. Step 6: Final answer
    x = 97,382.64

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