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Finding the Fourth Proportional to 185,453.48, 255,925.94 and 100,570.52

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Solution

The fourth proportional to 185,453.48, 255,925.94 and 100,570.52 is: 138,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,453.48 : 255,925.94 = 100,570.52 : x
  2. Step 2: Convert to fraction form
    185,453.48/255,925.94 = 100,570.52/x
  3. Step 3: Cross multiply
    185,453.48x = 255,925.94 × 100,570.52
  4. Step 4: Simplify right side
    185,453.48x = 25,738,604,867.29
  5. Step 5: Solve for x
    x = 25,738,604,867.29/185,453.48
  6. Step 6: Final answer
    x = 138,787.39

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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.