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Finding the Fourth Proportional to 103,881.96, 155,710.62 and 41,483.88

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Solution

The fourth proportional to 103,881.96, 155,710.62 and 41,483.88 is: 62,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,881.96 : 155,710.62 = 41,483.88 : x
  2. Step 2: Convert to fraction form
    103,881.96/155,710.62 = 41,483.88/x
  3. Step 3: Cross multiply
    103,881.96x = 155,710.62 × 41,483.88
  4. Step 4: Simplify right side
    103,881.96x = 6,459,480,674.81
  5. Step 5: Solve for x
    x = 6,459,480,674.81/103,881.96
  6. Step 6: Final answer
    x = 62,180.97

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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.