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Finding the Fourth Proportional to 215,042.59, 296,768.90 and 119,550.88

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Solution

The fourth proportional to 215,042.59, 296,768.90 and 119,550.88 is: 164,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,042.59 : 296,768.90 = 119,550.88 : x
  2. Step 2: Convert to fraction form
    215,042.59/296,768.90 = 119,550.88/x
  3. Step 3: Cross multiply
    215,042.59x = 296,768.90 × 119,550.88
  4. Step 4: Simplify right side
    215,042.59x = 35,478,983,151.63
  5. Step 5: Solve for x
    x = 35,478,983,151.63/215,042.59
  6. Step 6: Final answer
    x = 164,985.84

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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.