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Finding the Fourth Proportional to 242,930.04, 335,243.91 and 135,507.03

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Solution

The fourth proportional to 242,930.04, 335,243.91 and 135,507.03 is: 186,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,930.04 : 335,243.91 = 135,507.03 : x
  2. Step 2: Convert to fraction form
    242,930.04/335,243.91 = 135,507.03/x
  3. Step 3: Cross multiply
    242,930.04x = 335,243.91 × 135,507.03
  4. Step 4: Simplify right side
    242,930.04x = 45,427,906,569.69
  5. Step 5: Solve for x
    x = 45,427,906,569.69/242,930.04
  6. Step 6: Final answer
    x = 186,999.96

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1.5x scale

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.