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Finding the Fourth Proportional to 107,957.93, 148,933.76 and 62,609.63

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Solution

The fourth proportional to 107,957.93, 148,933.76 and 62,609.63 is: 86,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.93 : 148,933.76 = 62,609.63 : x
  2. Step 2: Convert to fraction form
    107,957.93/148,933.76 = 62,609.63/x
  3. Step 3: Cross multiply
    107,957.93x = 148,933.76 × 62,609.63
  4. Step 4: Simplify right side
    107,957.93x = 9,324,686,550.39
  5. Step 5: Solve for x
    x = 9,324,686,550.39/107,957.93
  6. Step 6: Final answer
    x = 86,373.34

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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.