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Finding the Fourth Proportional to 171,644.40, 257,466.60 and 153,273.60

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Solution

The fourth proportional to 171,644.40, 257,466.60 and 153,273.60 is: 229,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,644.40 : 257,466.60 = 153,273.60 : x
  2. Step 2: Convert to fraction form
    171,644.40/257,466.60 = 153,273.60/x
  3. Step 3: Cross multiply
    171,644.40x = 257,466.60 × 153,273.60
  4. Step 4: Simplify right side
    171,644.40x = 39,462,832,661.76
  5. Step 5: Solve for x
    x = 39,462,832,661.76/171,644.40
  6. Step 6: Final answer
    x = 229,910.40

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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.