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Finding the Fourth Proportional to 373,976,612.22, 561,025,196.91 and 115,191,712.11

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Solution

The fourth proportional to 373,976,612.22, 561,025,196.91 and 115,191,712.11 is: 172,806,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,976,612.22 : 561,025,196.91 = 115,191,712.11 : x
  2. Step 2: Convert to fraction form
    373,976,612.22/561,025,196.91 = 115,191,712.11/x
  3. Step 3: Cross multiply
    373,976,612.22x = 561,025,196.91 × 115,191,712.11
  4. Step 4: Simplify right side
    373,976,612.22x = 64,625,452,968,912,776
  5. Step 5: Solve for x
    x = 64,625,452,968,912,776/373,976,612.22
  6. Step 6: Final answer
    x = 172,806,135.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.