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Finding the Fourth Proportional to 228,989.14, 343,484.59 and 95,775.95

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Solution

The fourth proportional to 228,989.14, 343,484.59 and 95,775.95 is: 143,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,989.14 : 343,484.59 = 95,775.95 : x
  2. Step 2: Convert to fraction form
    228,989.14/343,484.59 = 95,775.95/x
  3. Step 3: Cross multiply
    228,989.14x = 343,484.59 × 95,775.95
  4. Step 4: Simplify right side
    228,989.14x = 32,897,563,985.83
  5. Step 5: Solve for x
    x = 32,897,563,985.83/228,989.14
  6. Step 6: Final answer
    x = 143,664.30

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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.