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Finding the Fourth Proportional to 104,551.94, 144,284.48 and 56,808.51

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Solution

The fourth proportional to 104,551.94, 144,284.48 and 56,808.51 is: 78,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,551.94 : 144,284.48 = 56,808.51 : x
  2. Step 2: Convert to fraction form
    104,551.94/144,284.48 = 56,808.51/x
  3. Step 3: Cross multiply
    104,551.94x = 144,284.48 × 56,808.51
  4. Step 4: Simplify right side
    104,551.94x = 8,196,586,040.88
  5. Step 5: Solve for x
    x = 8,196,586,040.88/104,551.94
  6. Step 6: Final answer
    x = 78,397.27

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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.