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Finding the Fourth Proportional to 242,482.42, 334,636.12 and 135,052.48

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Solution

The fourth proportional to 242,482.42, 334,636.12 and 135,052.48 is: 186,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,482.42 : 334,636.12 = 135,052.48 : x
  2. Step 2: Convert to fraction form
    242,482.42/334,636.12 = 135,052.48/x
  3. Step 3: Cross multiply
    242,482.42x = 334,636.12 × 135,052.48
  4. Step 4: Simplify right side
    242,482.42x = 45,193,436,230.40
  5. Step 5: Solve for x
    x = 45,193,436,230.40/242,482.42
  6. Step 6: Final answer
    x = 186,378.20

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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.