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Finding the Fourth Proportional to 299,612,186.80, 449,430,721.80 and 95,134,490.80

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Solution

The fourth proportional to 299,612,186.80, 449,430,721.80 and 95,134,490.80 is: 142,705,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,612,186.80 : 449,430,721.80 = 95,134,490.80 : x
  2. Step 2: Convert to fraction form
    299,612,186.80/449,430,721.80 = 95,134,490.80/x
  3. Step 3: Cross multiply
    299,612,186.80x = 449,430,721.80 × 95,134,490.80
  4. Step 4: Simplify right side
    299,612,186.80x = 42,756,362,868,319,456
  5. Step 5: Solve for x
    x = 42,756,362,868,319,456/299,612,186.80
  6. Step 6: Final answer
    x = 142,705,686.72

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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.