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Finding the Fourth Proportional to 235,347.63, 324,780.89 and 127,919.76

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Solution

The fourth proportional to 235,347.63, 324,780.89 and 127,919.76 is: 176,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,347.63 : 324,780.89 = 127,919.76 : x
  2. Step 2: Convert to fraction form
    235,347.63/324,780.89 = 127,919.76/x
  3. Step 3: Cross multiply
    235,347.63x = 324,780.89 × 127,919.76
  4. Step 4: Simplify right side
    235,347.63x = 41,545,892,363.41
  5. Step 5: Solve for x
    x = 41,545,892,363.41/235,347.63
  6. Step 6: Final answer
    x = 176,529.90

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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.