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Finding the Fourth Proportional to 185,614.76, 256,148.24 and 100,731.89

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Solution

The fourth proportional to 185,614.76, 256,148.24 and 100,731.89 is: 139,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,614.76 : 256,148.24 = 100,731.89 : x
  2. Step 2: Convert to fraction form
    185,614.76/256,148.24 = 100,731.89/x
  3. Step 3: Cross multiply
    185,614.76x = 256,148.24 × 100,731.89
  4. Step 4: Simplify right side
    185,614.76x = 25,802,294,550.97
  5. Step 5: Solve for x
    x = 25,802,294,550.97/185,614.76
  6. Step 6: Final answer
    x = 139,009.93

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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.