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Finding the Fourth Proportional to 348,953.27, 523,143.84 and 124,185.71

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Solution

The fourth proportional to 348,953.27, 523,143.84 and 124,185.71 is: 186,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,953.27 : 523,143.84 = 124,185.71 : x
  2. Step 2: Convert to fraction form
    348,953.27/523,143.84 = 124,185.71/x
  3. Step 3: Cross multiply
    348,953.27x = 523,143.84 × 124,185.71
  4. Step 4: Simplify right side
    348,953.27x = 64,966,990,976.08
  5. Step 5: Solve for x
    x = 64,966,990,976.08/348,953.27
  6. Step 6: Final answer
    x = 186,176.77

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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.