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Finding the Fourth Proportional to 113,018.43, 169,564.64 and 46,489.89

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Solution

The fourth proportional to 113,018.43, 169,564.64 and 46,489.89 is: 69,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,018.43 : 169,564.64 = 46,489.89 : x
  2. Step 2: Convert to fraction form
    113,018.43/169,564.64 = 46,489.89/x
  3. Step 3: Cross multiply
    113,018.43x = 169,564.64 × 46,489.89
  4. Step 4: Simplify right side
    113,018.43x = 7,883,041,229.04
  5. Step 5: Solve for x
    x = 7,883,041,229.04/113,018.43
  6. Step 6: Final answer
    x = 69,750.05

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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.