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Finding the Fourth Proportional to 235,343.15, 324,776.84 and 127,913.15

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Solution

The fourth proportional to 235,343.15, 324,776.84 and 127,913.15 is: 176,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,343.15 : 324,776.84 = 127,913.15 : x
  2. Step 2: Convert to fraction form
    235,343.15/324,776.84 = 127,913.15/x
  3. Step 3: Cross multiply
    235,343.15x = 324,776.84 × 127,913.15
  4. Step 4: Simplify right side
    235,343.15x = 41,543,228,651.45
  5. Step 5: Solve for x
    x = 41,543,228,651.45/235,343.15
  6. Step 6: Final answer
    x = 176,521.94

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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.