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Finding the Fourth Proportional to 144,609.60, 216,958.70 and 64,714.80

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Solution

The fourth proportional to 144,609.60, 216,958.70 and 64,714.80 is: 97,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,609.60 : 216,958.70 = 64,714.80 : x
  2. Step 2: Convert to fraction form
    144,609.60/216,958.70 = 64,714.80/x
  3. Step 3: Cross multiply
    144,609.60x = 216,958.70 × 64,714.80
  4. Step 4: Simplify right side
    144,609.60x = 14,040,438,633.75
  5. Step 5: Solve for x
    x = 14,040,438,633.75/144,609.60
  6. Step 6: Final answer
    x = 97,092.02

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1.5x scale

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.