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Finding the Fourth Proportional to 135,419.66, 203,005.08 and 46,652.06

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Solution

The fourth proportional to 135,419.66, 203,005.08 and 46,652.06 is: 69,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419.66 : 203,005.08 = 46,652.06 : x
  2. Step 2: Convert to fraction form
    135,419.66/203,005.08 = 46,652.06/x
  3. Step 3: Cross multiply
    135,419.66x = 203,005.08 × 46,652.06
  4. Step 4: Simplify right side
    135,419.66x = 9,470,605,172.46
  5. Step 5: Solve for x
    x = 9,470,605,172.46/135,419.66
  6. Step 6: Final answer
    x = 69,935.23

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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.