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Finding the Fourth Proportional to 219,612.88, 303,065.76 and 119,010.88

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Solution

The fourth proportional to 219,612.88, 303,065.76 and 119,010.88 is: 164,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,612.88 : 303,065.76 = 119,010.88 : x
  2. Step 2: Convert to fraction form
    219,612.88/303,065.76 = 119,010.88/x
  3. Step 3: Cross multiply
    219,612.88x = 303,065.76 × 119,010.88
  4. Step 4: Simplify right side
    219,612.88x = 36,068,122,795.47
  5. Step 5: Solve for x
    x = 36,068,122,795.47/219,612.88
  6. Step 6: Final answer
    x = 164,235.01

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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.