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Finding the Fourth Proportional to 185,632.52, 256,176.68 and 105,060

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Solution

The fourth proportional to 185,632.52, 256,176.68 and 105,060 is: 144,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.52 : 256,176.68 = 105,060 : x
  2. Step 2: Convert to fraction form
    185,632.52/256,176.68 = 105,060/x
  3. Step 3: Cross multiply
    185,632.52x = 256,176.68 × 105,060
  4. Step 4: Simplify right side
    185,632.52x = 26,913,922,000.80
  5. Step 5: Solve for x
    x = 26,913,922,000.80/185,632.52
  6. Step 6: Final answer
    x = 144,984.95

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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.