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Finding the Fourth Proportional to 95,303.84, 142,909.56 and 28,731.56

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Solution

The fourth proportional to 95,303.84, 142,909.56 and 28,731.56 is: 43,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,303.84 : 142,909.56 = 28,731.56 : x
  2. Step 2: Convert to fraction form
    95,303.84/142,909.56 = 28,731.56/x
  3. Step 3: Cross multiply
    95,303.84x = 142,909.56 × 28,731.56
  4. Step 4: Simplify right side
    95,303.84x = 4,106,014,597.71
  5. Step 5: Solve for x
    x = 4,106,014,597.71/95,303.84
  6. Step 6: Final answer
    x = 43,083.41

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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.