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Finding the Fourth Proportional to 101,848.59, 152,611.29 and 68,445.81

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Solution

The fourth proportional to 101,848.59, 152,611.29 and 68,445.81 is: 102,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,848.59 : 152,611.29 = 68,445.81 : x
  2. Step 2: Convert to fraction form
    101,848.59/152,611.29 = 68,445.81/x
  3. Step 3: Cross multiply
    101,848.59x = 152,611.29 × 68,445.81
  4. Step 4: Simplify right side
    101,848.59x = 10,445,603,359.19
  5. Step 5: Solve for x
    x = 10,445,603,359.19/101,848.59
  6. Step 6: Final answer
    x = 102,560.12

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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.