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Finding the Fourth Proportional to 235,162.60, 324,519 and 127,730.27

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Solution

The fourth proportional to 235,162.60, 324,519 and 127,730.27 is: 176,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,162.60 : 324,519 = 127,730.27 : x
  2. Step 2: Convert to fraction form
    235,162.60/324,519 = 127,730.27/x
  3. Step 3: Cross multiply
    235,162.60x = 324,519 × 127,730.27
  4. Step 4: Simplify right side
    235,162.60x = 41,450,899,490.13
  5. Step 5: Solve for x
    x = 41,450,899,490.13/235,162.60
  6. Step 6: Final answer
    x = 176,264.85

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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.