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Finding the Fourth Proportional to 185,243.74, 255,646.29 and 104,674.66

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Solution

The fourth proportional to 185,243.74, 255,646.29 and 104,674.66 is: 144,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,243.74 : 255,646.29 = 104,674.66 : x
  2. Step 2: Convert to fraction form
    185,243.74/255,646.29 = 104,674.66/x
  3. Step 3: Cross multiply
    185,243.74x = 255,646.29 × 104,674.66
  4. Step 4: Simplify right side
    185,243.74x = 26,759,688,486.01
  5. Step 5: Solve for x
    x = 26,759,688,486.01/185,243.74
  6. Step 6: Final answer
    x = 144,456.64

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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.