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Finding the Fourth Proportional to 152,087.60, 228,131.40 and 46,917.20

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Solution

The fourth proportional to 152,087.60, 228,131.40 and 46,917.20 is: 70,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,087.60 : 228,131.40 = 46,917.20 : x
  2. Step 2: Convert to fraction form
    152,087.60/228,131.40 = 46,917.20/x
  3. Step 3: Cross multiply
    152,087.60x = 228,131.40 × 46,917.20
  4. Step 4: Simplify right side
    152,087.60x = 10,703,286,520.08
  5. Step 5: Solve for x
    x = 10,703,286,520.08/152,087.60
  6. Step 6: Final answer
    x = 70,375.80

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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.