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Finding the Fourth Proportional to 252,332.72, 378,482.67 and 134,070.69

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Solution

The fourth proportional to 252,332.72, 378,482.67 and 134,070.69 is: 201,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,332.72 : 378,482.67 = 134,070.69 : x
  2. Step 2: Convert to fraction form
    252,332.72/378,482.67 = 134,070.69/x
  3. Step 3: Cross multiply
    252,332.72x = 378,482.67 × 134,070.69
  4. Step 4: Simplify right side
    252,332.72x = 50,743,432,719.94
  5. Step 5: Solve for x
    x = 50,743,432,719.94/252,332.72
  6. Step 6: Final answer
    x = 201,097.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.