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Finding the Fourth Proportional to 163,509.93, 225,503.18 and 106,092.67

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Solution

The fourth proportional to 163,509.93, 225,503.18 and 106,092.67 is: 146,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,509.93 : 225,503.18 = 106,092.67 : x
  2. Step 2: Convert to fraction form
    163,509.93/225,503.18 = 106,092.67/x
  3. Step 3: Cross multiply
    163,509.93x = 225,503.18 × 106,092.67
  4. Step 4: Simplify right side
    163,509.93x = 23,924,234,459.69
  5. Step 5: Solve for x
    x = 23,924,234,459.69/163,509.93
  6. Step 6: Final answer
    x = 146,316.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.