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Finding the Fourth Proportional to 108,393.19, 162,655.39 and 46,063.69

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Solution

The fourth proportional to 108,393.19, 162,655.39 and 46,063.69 is: 69,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,393.19 : 162,655.39 = 46,063.69 : x
  2. Step 2: Convert to fraction form
    108,393.19/162,655.39 = 46,063.69/x
  3. Step 3: Cross multiply
    108,393.19x = 162,655.39 × 46,063.69
  4. Step 4: Simplify right side
    108,393.19x = 7,492,507,112.73
  5. Step 5: Solve for x
    x = 7,492,507,112.73/108,393.19
  6. Step 6: Final answer
    x = 69,123.41

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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.