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Finding the Fourth Proportional to 153,425.53, 230,163.10 and 45,365.86

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Solution

The fourth proportional to 153,425.53, 230,163.10 and 45,365.86 is: 68,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,425.53 : 230,163.10 = 45,365.86 : x
  2. Step 2: Convert to fraction form
    153,425.53/230,163.10 = 45,365.86/x
  3. Step 3: Cross multiply
    153,425.53x = 230,163.10 × 45,365.86
  4. Step 4: Simplify right side
    153,425.53x = 10,441,546,971.77
  5. Step 5: Solve for x
    x = 10,441,546,971.77/153,425.53
  6. Step 6: Final answer
    x = 68,056.12

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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.