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Finding the Fourth Proportional to 230,021.60, 345,032.40 and 63,809.60

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Solution

The fourth proportional to 230,021.60, 345,032.40 and 63,809.60 is: 95,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,021.60 : 345,032.40 = 63,809.60 : x
  2. Step 2: Convert to fraction form
    230,021.60/345,032.40 = 63,809.60/x
  3. Step 3: Cross multiply
    230,021.60x = 345,032.40 × 63,809.60
  4. Step 4: Simplify right side
    230,021.60x = 22,016,379,431.04
  5. Step 5: Solve for x
    x = 22,016,379,431.04/230,021.60
  6. Step 6: Final answer
    x = 95,714.40

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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.