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Finding the Fourth Proportional to 102,833.55, 154,253.74 and 35,364.92

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Solution

The fourth proportional to 102,833.55, 154,253.74 and 35,364.92 is: 53,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,833.55 : 154,253.74 = 35,364.92 : x
  2. Step 2: Convert to fraction form
    102,833.55/154,253.74 = 35,364.92/x
  3. Step 3: Cross multiply
    102,833.55x = 154,253.74 × 35,364.92
  4. Step 4: Simplify right side
    102,833.55x = 5,455,171,174.80
  5. Step 5: Solve for x
    x = 5,455,171,174.80/102,833.55
  6. Step 6: Final answer
    x = 53,048.55

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1.5x scale

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.