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Finding the Fourth Proportional to 185,541.71, 256,039.71 and 104,970.61

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Solution

The fourth proportional to 185,541.71, 256,039.71 and 104,970.61 is: 144,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,541.71 : 256,039.71 = 104,970.61 : x
  2. Step 2: Convert to fraction form
    185,541.71/256,039.71 = 104,970.61/x
  3. Step 3: Cross multiply
    185,541.71x = 256,039.71 × 104,970.61
  4. Step 4: Simplify right side
    185,541.71x = 26,876,644,542.92
  5. Step 5: Solve for x
    x = 26,876,644,542.92/185,541.71
  6. Step 6: Final answer
    x = 144,855.00

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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.