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Finding the Fourth Proportional to 107,903.83, 161,902.38 and 57,925.56

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Solution

The fourth proportional to 107,903.83, 161,902.38 and 57,925.56 is: 86,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,903.83 : 161,902.38 = 57,925.56 : x
  2. Step 2: Convert to fraction form
    107,903.83/161,902.38 = 57,925.56/x
  3. Step 3: Cross multiply
    107,903.83x = 161,902.38 × 57,925.56
  4. Step 4: Simplify right side
    107,903.83x = 9,378,286,026.83
  5. Step 5: Solve for x
    x = 9,378,286,026.83/107,903.83
  6. Step 6: Final answer
    x = 86,913.37

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1.5x scale

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.