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Finding the Fourth Proportional to 242,482.49, 334,636.11 and 135,052.49

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Solution

The fourth proportional to 242,482.49, 334,636.11 and 135,052.49 is: 186,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,482.49 : 334,636.11 = 135,052.49 : x
  2. Step 2: Convert to fraction form
    242,482.49/334,636.11 = 135,052.49/x
  3. Step 3: Cross multiply
    242,482.49x = 334,636.11 × 135,052.49
  4. Step 4: Simplify right side
    242,482.49x = 45,193,439,794.84
  5. Step 5: Solve for x
    x = 45,193,439,794.84/242,482.49
  6. Step 6: Final answer
    x = 186,378.16

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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.