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Finding the Fourth Proportional to 104,554.66, 156,752.63 and 53,899.10

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Solution

The fourth proportional to 104,554.66, 156,752.63 and 53,899.10 is: 80,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,554.66 : 156,752.63 = 53,899.10 : x
  2. Step 2: Convert to fraction form
    104,554.66/156,752.63 = 53,899.10/x
  3. Step 3: Cross multiply
    104,554.66x = 156,752.63 × 53,899.10
  4. Step 4: Simplify right side
    104,554.66x = 8,448,825,679.63
  5. Step 5: Solve for x
    x = 8,448,825,679.63/104,554.66
  6. Step 6: Final answer
    x = 80,807.74

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Why These Related Problems?

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