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Finding the Fourth Proportional to 211,153.58, 316,750.49 and 59,350.27

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Solution

The fourth proportional to 211,153.58, 316,750.49 and 59,350.27 is: 89,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,153.58 : 316,750.49 = 59,350.27 : x
  2. Step 2: Convert to fraction form
    211,153.58/316,750.49 = 59,350.27/x
  3. Step 3: Cross multiply
    211,153.58x = 316,750.49 × 59,350.27
  4. Step 4: Simplify right side
    211,153.58x = 18,799,226,998.90
  5. Step 5: Solve for x
    x = 18,799,226,998.90/211,153.58
  6. Step 6: Final answer
    x = 89,031.06

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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.