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Finding the Fourth Proportional to 185,537.71, 256,020.42 and 103,870.39

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Solution

The fourth proportional to 185,537.71, 256,020.42 and 103,870.39 is: 143,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,537.71 : 256,020.42 = 103,870.39 : x
  2. Step 2: Convert to fraction form
    185,537.71/256,020.42 = 103,870.39/x
  3. Step 3: Cross multiply
    185,537.71x = 256,020.42 × 103,870.39
  4. Step 4: Simplify right side
    185,537.71x = 26,592,940,873.36
  5. Step 5: Solve for x
    x = 26,592,940,873.36/185,537.71
  6. Step 6: Final answer
    x = 143,329.03

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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.