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Finding the Fourth Proportional to 173,157.40, 259,711.80 and 54,840.70

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Solution

The fourth proportional to 173,157.40, 259,711.80 and 54,840.70 is: 82,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,157.40 : 259,711.80 = 54,840.70 : x
  2. Step 2: Convert to fraction form
    173,157.40/259,711.80 = 54,840.70/x
  3. Step 3: Cross multiply
    173,157.40x = 259,711.80 × 54,840.70
  4. Step 4: Simplify right side
    173,157.40x = 14,242,776,910.26
  5. Step 5: Solve for x
    x = 14,242,776,910.26/173,157.40
  6. Step 6: Final answer
    x = 82,253.35

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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.