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Finding the Fourth Proportional to 224,628.64, 336,941.60 and 56,148.12

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Solution

The fourth proportional to 224,628.64, 336,941.60 and 56,148.12 is: 84,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,628.64 : 336,941.60 = 56,148.12 : x
  2. Step 2: Convert to fraction form
    224,628.64/336,941.60 = 56,148.12/x
  3. Step 3: Cross multiply
    224,628.64x = 336,941.60 × 56,148.12
  4. Step 4: Simplify right side
    224,628.64x = 18,918,637,389.79
  5. Step 5: Solve for x
    x = 18,918,637,389.79/224,628.64
  6. Step 6: Final answer
    x = 84,221.84

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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.