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Finding the Fourth Proportional to 104,242.44, 143,854.08 and 56,495.82

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Solution

The fourth proportional to 104,242.44, 143,854.08 and 56,495.82 is: 77,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,242.44 : 143,854.08 = 56,495.82 : x
  2. Step 2: Convert to fraction form
    104,242.44/143,854.08 = 56,495.82/x
  3. Step 3: Cross multiply
    104,242.44x = 143,854.08 × 56,495.82
  4. Step 4: Simplify right side
    104,242.44x = 8,127,154,209.95
  5. Step 5: Solve for x
    x = 8,127,154,209.95/104,242.44
  6. Step 6: Final answer
    x = 77,963.97

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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.