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Finding the Fourth Proportional to 106,403.33, 146,837.04 and 58,655.63

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Solution

The fourth proportional to 106,403.33, 146,837.04 and 58,655.63 is: 80,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403.33 : 146,837.04 = 58,655.63 : x
  2. Step 2: Convert to fraction form
    106,403.33/146,837.04 = 58,655.63/x
  3. Step 3: Cross multiply
    106,403.33x = 146,837.04 × 58,655.63
  4. Step 4: Simplify right side
    106,403.33x = 8,612,819,088.54
  5. Step 5: Solve for x
    x = 8,612,819,088.54/106,403.33
  6. Step 6: Final answer
    x = 80,945.01

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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.