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Finding the Fourth Proportional to 266,613.55, 367,931.09 and 159,192.97

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Solution

The fourth proportional to 266,613.55, 367,931.09 and 159,192.97 is: 219,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,613.55 : 367,931.09 = 159,192.97 : x
  2. Step 2: Convert to fraction form
    266,613.55/367,931.09 = 159,192.97/x
  3. Step 3: Cross multiply
    266,613.55x = 367,931.09 × 159,192.97
  4. Step 4: Simplify right side
    266,613.55x = 58,572,041,256.64
  5. Step 5: Solve for x
    x = 58,572,041,256.64/266,613.55
  6. Step 6: Final answer
    x = 219,688.92

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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.