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Finding the Fourth Proportional to 171,073.80, 256,610.70 and 153,577.80

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Solution

The fourth proportional to 171,073.80, 256,610.70 and 153,577.80 is: 230,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073.80 : 256,610.70 = 153,577.80 : x
  2. Step 2: Convert to fraction form
    171,073.80/256,610.70 = 153,577.80/x
  3. Step 3: Cross multiply
    171,073.80x = 256,610.70 × 153,577.80
  4. Step 4: Simplify right side
    171,073.80x = 39,409,706,762.46
  5. Step 5: Solve for x
    x = 39,409,706,762.46/171,073.80
  6. Step 6: Final answer
    x = 230,366.70

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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.