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Finding the Fourth Proportional to 264,609.60, 365,159.76 and 143,749.92

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Solution

The fourth proportional to 264,609.60, 365,159.76 and 143,749.92 is: 198,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,609.60 : 365,159.76 = 143,749.92 : x
  2. Step 2: Convert to fraction form
    264,609.60/365,159.76 = 143,749.92/x
  3. Step 3: Cross multiply
    264,609.60x = 365,159.76 × 143,749.92
  4. Step 4: Simplify right side
    264,609.60x = 52,491,686,287.22
  5. Step 5: Solve for x
    x = 52,491,686,287.22/264,609.60
  6. Step 6: Final answer
    x = 198,374.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.