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Finding the Fourth Proportional to 109,792.48, 151,514.22 and 59,491.48

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Solution

The fourth proportional to 109,792.48, 151,514.22 and 59,491.48 is: 82,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,792.48 : 151,514.22 = 59,491.48 : x
  2. Step 2: Convert to fraction form
    109,792.48/151,514.22 = 59,491.48/x
  3. Step 3: Cross multiply
    109,792.48x = 151,514.22 × 59,491.48
  4. Step 4: Simplify right side
    109,792.48x = 9,013,805,188.85
  5. Step 5: Solve for x
    x = 9,013,805,188.85/109,792.48
  6. Step 6: Final answer
    x = 82,098.57

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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.