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Finding the Fourth Proportional to 273,025,207.20, 409,537,810.80 and 100,625,746.80

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Solution

The fourth proportional to 273,025,207.20, 409,537,810.80 and 100,625,746.80 is: 150,938,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,025,207.20 : 409,537,810.80 = 100,625,746.80 : x
  2. Step 2: Convert to fraction form
    273,025,207.20/409,537,810.80 = 100,625,746.80/x
  3. Step 3: Cross multiply
    273,025,207.20x = 409,537,810.80 × 100,625,746.80
  4. Step 4: Simplify right side
    273,025,207.20x = 41,210,048,054,587,104
  5. Step 5: Solve for x
    x = 41,210,048,054,587,104/273,025,207.20
  6. Step 6: Final answer
    x = 150,938,620.20

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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.