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Finding the Fourth Proportional to 95,369.90, 143,055.93 and 28,810.58

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Solution

The fourth proportional to 95,369.90, 143,055.93 and 28,810.58 is: 43,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,369.90 : 143,055.93 = 28,810.58 : x
  2. Step 2: Convert to fraction form
    95,369.90/143,055.93 = 28,810.58/x
  3. Step 3: Cross multiply
    95,369.90x = 143,055.93 × 28,810.58
  4. Step 4: Simplify right side
    95,369.90x = 4,121,524,315.74
  5. Step 5: Solve for x
    x = 4,121,524,315.74/95,369.90
  6. Step 6: Final answer
    x = 43,216.20

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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.