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Finding the Fourth Proportional to 224,579,920.80, 336,303,010.80 and 147,485,546.40

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Solution

The fourth proportional to 224,579,920.80, 336,303,010.80 and 147,485,546.40 is: 220,856,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,579,920.80 : 336,303,010.80 = 147,485,546.40 : x
  2. Step 2: Convert to fraction form
    224,579,920.80/336,303,010.80 = 147,485,546.40/x
  3. Step 3: Cross multiply
    224,579,920.80x = 336,303,010.80 × 147,485,546.40
  4. Step 4: Simplify right side
    224,579,920.80x = 49,599,833,303,803,104
  5. Step 5: Solve for x
    x = 49,599,833,303,803,104/224,579,920.80
  6. Step 6: Final answer
    x = 220,856,045.93

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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.