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Finding the Fourth Proportional to 294,751.64, 441,705.02 and 168,129.88

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Solution

The fourth proportional to 294,751.64, 441,705.02 and 168,129.88 is: 251,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,751.64 : 441,705.02 = 168,129.88 : x
  2. Step 2: Convert to fraction form
    294,751.64/441,705.02 = 168,129.88/x
  3. Step 3: Cross multiply
    294,751.64x = 441,705.02 × 168,129.88
  4. Step 4: Simplify right side
    294,751.64x = 74,263,812,008.00
  5. Step 5: Solve for x
    x = 74,263,812,008.00/294,751.64
  6. Step 6: Final answer
    x = 251,953.86

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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.