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Finding the Fourth Proportional to 103,342.60, 155,014.01 and 41,013.10

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Solution

The fourth proportional to 103,342.60, 155,014.01 and 41,013.10 is: 61,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,342.60 : 155,014.01 = 41,013.10 : x
  2. Step 2: Convert to fraction form
    103,342.60/155,014.01 = 41,013.10/x
  3. Step 3: Cross multiply
    103,342.60x = 155,014.01 × 41,013.10
  4. Step 4: Simplify right side
    103,342.60x = 6,357,605,093.53
  5. Step 5: Solve for x
    x = 6,357,605,093.53/103,342.60
  6. Step 6: Final answer
    x = 61,519.69

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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.