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Finding the Fourth Proportional to 242,172.52, 334,199.72 and 134,747.08

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Solution

The fourth proportional to 242,172.52, 334,199.72 and 134,747.08 is: 185,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,172.52 : 334,199.72 = 134,747.08 : x
  2. Step 2: Convert to fraction form
    242,172.52/334,199.72 = 134,747.08/x
  3. Step 3: Cross multiply
    242,172.52x = 334,199.72 × 134,747.08
  4. Step 4: Simplify right side
    242,172.52x = 45,032,436,406.82
  5. Step 5: Solve for x
    x = 45,032,436,406.82/242,172.52
  6. Step 6: Final answer
    x = 185,951.88

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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.