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Finding the Fourth Proportional to 104,238.81, 143,850.07 and 56,492.16

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Solution

The fourth proportional to 104,238.81, 143,850.07 and 56,492.16 is: 77,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238.81 : 143,850.07 = 56,492.16 : x
  2. Step 2: Convert to fraction form
    104,238.81/143,850.07 = 56,492.16/x
  3. Step 3: Cross multiply
    104,238.81x = 143,850.07 × 56,492.16
  4. Step 4: Simplify right side
    104,238.81x = 8,126,400,701.63
  5. Step 5: Solve for x
    x = 8,126,400,701.63/104,238.81
  6. Step 6: Final answer
    x = 77,959.45

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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.