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Finding the Fourth Proportional to 110,048.97, 152,005.01 and 84,861.21

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Solution

The fourth proportional to 110,048.97, 152,005.01 and 84,861.21 is: 117,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,048.97 : 152,005.01 = 84,861.21 : x
  2. Step 2: Convert to fraction form
    110,048.97/152,005.01 = 84,861.21/x
  3. Step 3: Cross multiply
    110,048.97x = 152,005.01 × 84,861.21
  4. Step 4: Simplify right side
    110,048.97x = 12,899,329,074.66
  5. Step 5: Solve for x
    x = 12,899,329,074.66/110,048.97
  6. Step 6: Final answer
    x = 117,214.45

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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.