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Finding the Fourth Proportional to 223,179.60, 334,663.83 and 86,466.72

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Solution

The fourth proportional to 223,179.60, 334,663.83 and 86,466.72 is: 129,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,179.60 : 334,663.83 = 86,466.72 : x
  2. Step 2: Convert to fraction form
    223,179.60/334,663.83 = 86,466.72/x
  3. Step 3: Cross multiply
    223,179.60x = 334,663.83 × 86,466.72
  4. Step 4: Simplify right side
    223,179.60x = 28,937,283,682.74
  5. Step 5: Solve for x
    x = 28,937,283,682.74/223,179.60
  6. Step 6: Final answer
    x = 129,659.18

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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.