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Finding the Fourth Proportional to 215,045.76, 296,763.76 and 119,553.92

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Solution

The fourth proportional to 215,045.76, 296,763.76 and 119,553.92 is: 164,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,045.76 : 296,763.76 = 119,553.92 : x
  2. Step 2: Convert to fraction form
    215,045.76/296,763.76 = 119,553.92/x
  3. Step 3: Cross multiply
    215,045.76x = 296,763.76 × 119,553.92
  4. Step 4: Simplify right side
    215,045.76x = 35,479,270,821.94
  5. Step 5: Solve for x
    x = 35,479,270,821.94/215,045.76
  6. Step 6: Final answer
    x = 164,984.75

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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.