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Finding the Fourth Proportional to 215,136.01, 296,894.82 and 118,343.89

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Solution

The fourth proportional to 215,136.01, 296,894.82 and 118,343.89 is: 163,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,136.01 : 296,894.82 = 118,343.89 : x
  2. Step 2: Convert to fraction form
    215,136.01/296,894.82 = 118,343.89/x
  3. Step 3: Cross multiply
    215,136.01x = 296,894.82 × 118,343.89
  4. Step 4: Simplify right side
    215,136.01x = 35,135,687,919.65
  5. Step 5: Solve for x
    x = 35,135,687,919.65/215,136.01
  6. Step 6: Final answer
    x = 163,318.49

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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.