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Finding the Fourth Proportional to 152,166.40, 228,249.60 and 73,261.60

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Solution

The fourth proportional to 152,166.40, 228,249.60 and 73,261.60 is: 109,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,166.40 : 228,249.60 = 73,261.60 : x
  2. Step 2: Convert to fraction form
    152,166.40/228,249.60 = 73,261.60/x
  3. Step 3: Cross multiply
    152,166.40x = 228,249.60 × 73,261.60
  4. Step 4: Simplify right side
    152,166.40x = 16,721,930,895.36
  5. Step 5: Solve for x
    x = 16,721,930,895.36/152,166.40
  6. Step 6: Final answer
    x = 109,892.40

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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.