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Finding the Fourth Proportional to 103,952.44, 143,454.45 and 56,205.82

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Solution

The fourth proportional to 103,952.44, 143,454.45 and 56,205.82 is: 77,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,952.44 : 143,454.45 = 56,205.82 : x
  2. Step 2: Convert to fraction form
    103,952.44/143,454.45 = 56,205.82/x
  3. Step 3: Cross multiply
    103,952.44x = 143,454.45 × 56,205.82
  4. Step 4: Simplify right side
    103,952.44x = 8,062,974,994.90
  5. Step 5: Solve for x
    x = 8,062,974,994.90/103,952.44
  6. Step 6: Final answer
    x = 77,564.08

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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.