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Finding the Fourth Proportional to 153,813.75, 230,759.64 and 43,005.75

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Solution

The fourth proportional to 153,813.75, 230,759.64 and 43,005.75 is: 64,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,813.75 : 230,759.64 = 43,005.75 : x
  2. Step 2: Convert to fraction form
    153,813.75/230,759.64 = 43,005.75/x
  3. Step 3: Cross multiply
    153,813.75x = 230,759.64 × 43,005.75
  4. Step 4: Simplify right side
    153,813.75x = 9,923,991,387.93
  5. Step 5: Solve for x
    x = 9,923,991,387.93/153,813.75
  6. Step 6: Final answer
    x = 64,519.53

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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.