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Finding the Fourth Proportional to 109,480.48, 164,337.36 and 105,514.72

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Solution

The fourth proportional to 109,480.48, 164,337.36 and 105,514.72 is: 158,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,480.48 : 164,337.36 = 105,514.72 : x
  2. Step 2: Convert to fraction form
    109,480.48/164,337.36 = 105,514.72/x
  3. Step 3: Cross multiply
    109,480.48x = 164,337.36 × 105,514.72
  4. Step 4: Simplify right side
    109,480.48x = 17,340,010,525.94
  5. Step 5: Solve for x
    x = 17,340,010,525.94/109,480.48
  6. Step 6: Final answer
    x = 158,384.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.