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Finding the Fourth Proportional to 223,146.63, 334,719.81 and 56,934.63

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Solution

The fourth proportional to 223,146.63, 334,719.81 and 56,934.63 is: 85,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,146.63 : 334,719.81 = 56,934.63 : x
  2. Step 2: Convert to fraction form
    223,146.63/334,719.81 = 56,934.63/x
  3. Step 3: Cross multiply
    223,146.63x = 334,719.81 × 56,934.63
  4. Step 4: Simplify right side
    223,146.63x = 19,057,148,536.02
  5. Step 5: Solve for x
    x = 19,057,148,536.02/223,146.63
  6. Step 6: Final answer
    x = 85,401.91

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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.