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Finding the Fourth Proportional to 171,818.76, 257,666.31 and 59,468.46

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Solution

The fourth proportional to 171,818.76, 257,666.31 and 59,468.46 is: 89,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,818.76 : 257,666.31 = 59,468.46 : x
  2. Step 2: Convert to fraction form
    171,818.76/257,666.31 = 59,468.46/x
  3. Step 3: Cross multiply
    171,818.76x = 257,666.31 × 59,468.46
  4. Step 4: Simplify right side
    171,818.76x = 15,323,018,649.58
  5. Step 5: Solve for x
    x = 15,323,018,649.58/171,818.76
  6. Step 6: Final answer
    x = 89,181.29

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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.