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Finding the Fourth Proportional to 95,866.72, 143,818.90 and 29,316.30

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Solution

The fourth proportional to 95,866.72, 143,818.90 and 29,316.30 is: 43,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,866.72 : 143,818.90 = 29,316.30 : x
  2. Step 2: Convert to fraction form
    95,866.72/143,818.90 = 29,316.30/x
  3. Step 3: Cross multiply
    95,866.72x = 143,818.90 × 29,316.30
  4. Step 4: Simplify right side
    95,866.72x = 4,216,238,018.07
  5. Step 5: Solve for x
    x = 4,216,238,018.07/95,866.72
  6. Step 6: Final answer
    x = 43,980.21

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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.