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Finding the Fourth Proportional to 98,842.38, 148,241.33 and 45,483.17

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Solution

The fourth proportional to 98,842.38, 148,241.33 and 45,483.17 is: 68,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,842.38 : 148,241.33 = 45,483.17 : x
  2. Step 2: Convert to fraction form
    98,842.38/148,241.33 = 45,483.17/x
  3. Step 3: Cross multiply
    98,842.38x = 148,241.33 × 45,483.17
  4. Step 4: Simplify right side
    98,842.38x = 6,742,486,097.73
  5. Step 5: Solve for x
    x = 6,742,486,097.73/98,842.38
  6. Step 6: Final answer
    x = 68,214.53

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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.