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Finding the Fourth Proportional to 228,888.60, 343,351.58 and 114,977.81

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Solution

The fourth proportional to 228,888.60, 343,351.58 and 114,977.81 is: 172,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,888.60 : 343,351.58 = 114,977.81 : x
  2. Step 2: Convert to fraction form
    228,888.60/343,351.58 = 114,977.81/x
  3. Step 3: Cross multiply
    228,888.60x = 343,351.58 × 114,977.81
  4. Step 4: Simplify right side
    228,888.60x = 39,477,812,153.55
  5. Step 5: Solve for x
    x = 39,477,812,153.55/228,888.60
  6. Step 6: Final answer
    x = 172,476.10

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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.