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Finding the Fourth Proportional to 215,045.70, 296,769.48 and 118,244.52

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Solution

The fourth proportional to 215,045.70, 296,769.48 and 118,244.52 is: 163,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,045.70 : 296,769.48 = 118,244.52 : x
  2. Step 2: Convert to fraction form
    215,045.70/296,769.48 = 118,244.52/x
  3. Step 3: Cross multiply
    215,045.70x = 296,769.48 × 118,244.52
  4. Step 4: Simplify right side
    215,045.70x = 35,091,364,713.25
  5. Step 5: Solve for x
    x = 35,091,364,713.25/215,045.70
  6. Step 6: Final answer
    x = 163,180.96

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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.