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Finding the Fourth Proportional to 152,253, 228,401.28 and 47,080.08

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Solution

The fourth proportional to 152,253, 228,401.28 and 47,080.08 is: 70,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,253 : 228,401.28 = 47,080.08 : x
  2. Step 2: Convert to fraction form
    152,253/228,401.28 = 47,080.08/x
  3. Step 3: Cross multiply
    152,253x = 228,401.28 × 47,080.08
  4. Step 4: Simplify right side
    152,253x = 10,753,150,534.50
  5. Step 5: Solve for x
    x = 10,753,150,534.50/152,253
  6. Step 6: Final answer
    x = 70,626.85

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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.