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Finding the Fourth Proportional to 152,034.70, 228,052.05 and 89,049.10

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Solution

The fourth proportional to 152,034.70, 228,052.05 and 89,049.10 is: 133,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,034.70 : 228,052.05 = 89,049.10 : x
  2. Step 2: Convert to fraction form
    152,034.70/228,052.05 = 89,049.10/x
  3. Step 3: Cross multiply
    152,034.70x = 228,052.05 × 89,049.10
  4. Step 4: Simplify right side
    152,034.70x = 20,307,829,805.66
  5. Step 5: Solve for x
    x = 20,307,829,805.66/152,034.70
  6. Step 6: Final answer
    x = 133,573.65

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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.