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Finding the Fourth Proportional to 257,164.53, 354,810.29 and 166,376.73

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Solution

The fourth proportional to 257,164.53, 354,810.29 and 166,376.73 is: 229,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,164.53 : 354,810.29 = 166,376.73 : x
  2. Step 2: Convert to fraction form
    257,164.53/354,810.29 = 166,376.73/x
  3. Step 3: Cross multiply
    257,164.53x = 354,810.29 × 166,376.73
  4. Step 4: Simplify right side
    257,164.53x = 59,032,174,988.67
  5. Step 5: Solve for x
    x = 59,032,174,988.67/257,164.53
  6. Step 6: Final answer
    x = 229,550.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.