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Finding the Fourth Proportional to 235,690.37, 325,252.10 and 128,260.37

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Solution

The fourth proportional to 235,690.37, 325,252.10 and 128,260.37 is: 176,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,690.37 : 325,252.10 = 128,260.37 : x
  2. Step 2: Convert to fraction form
    235,690.37/325,252.10 = 128,260.37/x
  3. Step 3: Cross multiply
    235,690.37x = 325,252.10 × 128,260.37
  4. Step 4: Simplify right side
    235,690.37x = 41,716,955,823.06
  5. Step 5: Solve for x
    x = 41,716,955,823.06/235,690.37
  6. Step 6: Final answer
    x = 176,998.98

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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.