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Finding the Fourth Proportional to 185,411.16, 255,866.04 and 100,527.62

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Solution

The fourth proportional to 185,411.16, 255,866.04 and 100,527.62 is: 138,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,411.16 : 255,866.04 = 100,527.62 : x
  2. Step 2: Convert to fraction form
    185,411.16/255,866.04 = 100,527.62/x
  3. Step 3: Cross multiply
    185,411.16x = 255,866.04 × 100,527.62
  4. Step 4: Simplify right side
    185,411.16x = 25,721,602,760.69
  5. Step 5: Solve for x
    x = 25,721,602,760.69/185,411.16
  6. Step 6: Final answer
    x = 138,727.37

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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.