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Finding the Fourth Proportional to 185,164.47, 255,542.70 and 104,606.78

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Solution

The fourth proportional to 185,164.47, 255,542.70 and 104,606.78 is: 144,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,164.47 : 255,542.70 = 104,606.78 : x
  2. Step 2: Convert to fraction form
    185,164.47/255,542.70 = 104,606.78/x
  3. Step 3: Cross multiply
    185,164.47x = 255,542.70 × 104,606.78
  4. Step 4: Simplify right side
    185,164.47x = 26,731,497,721.79
  5. Step 5: Solve for x
    x = 26,731,497,721.79/185,164.47
  6. Step 6: Final answer
    x = 144,366.24

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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.