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Finding the Fourth Proportional to 75,255.80, 112,883.47 and 19,095.82

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Solution

The fourth proportional to 75,255.80, 112,883.47 and 19,095.82 is: 28,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.80 : 112,883.47 = 19,095.82 : x
  2. Step 2: Convert to fraction form
    75,255.80/112,883.47 = 19,095.82/x
  3. Step 3: Cross multiply
    75,255.80x = 112,883.47 × 19,095.82
  4. Step 4: Simplify right side
    75,255.80x = 2,155,602,201.56
  5. Step 5: Solve for x
    x = 2,155,602,201.56/75,255.80
  6. Step 6: Final answer
    x = 28,643.67

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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.