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Finding the Fourth Proportional to 218,939.52, 302,136.99 and 118,337.52

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Solution

The fourth proportional to 218,939.52, 302,136.99 and 118,337.52 is: 163,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,939.52 : 302,136.99 = 118,337.52 : x
  2. Step 2: Convert to fraction form
    218,939.52/302,136.99 = 118,337.52/x
  3. Step 3: Cross multiply
    218,939.52x = 302,136.99 × 118,337.52
  4. Step 4: Simplify right side
    218,939.52x = 35,754,142,096.86
  5. Step 5: Solve for x
    x = 35,754,142,096.86/218,939.52
  6. Step 6: Final answer
    x = 163,306.02

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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.