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Finding the Fourth Proportional to 242,476.94, 334,609.79 and 135,041.38

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Solution

The fourth proportional to 242,476.94, 334,609.79 and 135,041.38 is: 186,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,476.94 : 334,609.79 = 135,041.38 : x
  2. Step 2: Convert to fraction form
    242,476.94/334,609.79 = 135,041.38/x
  3. Step 3: Cross multiply
    242,476.94x = 334,609.79 × 135,041.38
  4. Step 4: Simplify right side
    242,476.94x = 45,186,166,291.38
  5. Step 5: Solve for x
    x = 45,186,166,291.38/242,476.94
  6. Step 6: Final answer
    x = 186,352.43

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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.