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Finding the Fourth Proportional to 95,557.90, 143,365.65 and 51,205.90

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Solution

The fourth proportional to 95,557.90, 143,365.65 and 51,205.90 is: 76,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,557.90 : 143,365.65 = 51,205.90 : x
  2. Step 2: Convert to fraction form
    95,557.90/143,365.65 = 51,205.90/x
  3. Step 3: Cross multiply
    95,557.90x = 143,365.65 × 51,205.90
  4. Step 4: Simplify right side
    95,557.90x = 7,341,167,137.34
  5. Step 5: Solve for x
    x = 7,341,167,137.34/95,557.90
  6. Step 6: Final answer
    x = 76,824.28

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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.