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Finding the Fourth Proportional to 71,852.57, 99,156.57 and 41,655.39

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Solution

The fourth proportional to 71,852.57, 99,156.57 and 41,655.39 is: 57,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852.57 : 99,156.57 = 41,655.39 : x
  2. Step 2: Convert to fraction form
    71,852.57/99,156.57 = 41,655.39/x
  3. Step 3: Cross multiply
    71,852.57x = 99,156.57 × 41,655.39
  4. Step 4: Simplify right side
    71,852.57x = 4,130,405,594.41
  5. Step 5: Solve for x
    x = 4,130,405,594.41/71,852.57
  6. Step 6: Final answer
    x = 57,484.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.