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Finding the Fourth Proportional to 152,480.16, 228,720.20 and 73,748.16

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Solution

The fourth proportional to 152,480.16, 228,720.20 and 73,748.16 is: 110,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,480.16 : 228,720.20 = 73,748.16 : x
  2. Step 2: Convert to fraction form
    152,480.16/228,720.20 = 73,748.16/x
  3. Step 3: Cross multiply
    152,480.16x = 228,720.20 × 73,748.16
  4. Step 4: Simplify right side
    152,480.16x = 16,867,693,536.09
  5. Step 5: Solve for x
    x = 16,867,693,536.09/152,480.16
  6. Step 6: Final answer
    x = 110,622.22

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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.