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Finding the Fourth Proportional to 365,534.71, 548,309.60 and 112,815.37

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Solution

The fourth proportional to 365,534.71, 548,309.60 and 112,815.37 is: 169,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,534.71 : 548,309.60 = 112,815.37 : x
  2. Step 2: Convert to fraction form
    365,534.71/548,309.60 = 112,815.37/x
  3. Step 3: Cross multiply
    365,534.71x = 548,309.60 × 112,815.37
  4. Step 4: Simplify right side
    365,534.71x = 61,857,750,398.55
  5. Step 5: Solve for x
    x = 61,857,750,398.55/365,534.71
  6. Step 6: Final answer
    x = 169,225.38

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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.