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Finding the Fourth Proportional to 104,843,670.84, 157,254,877.44 and 28,156,734.54

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Solution

The fourth proportional to 104,843,670.84, 157,254,877.44 and 28,156,734.54 is: 42,232,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,843,670.84 : 157,254,877.44 = 28,156,734.54 : x
  2. Step 2: Convert to fraction form
    104,843,670.84/157,254,877.44 = 28,156,734.54/x
  3. Step 3: Cross multiply
    104,843,670.84x = 157,254,877.44 × 28,156,734.54
  4. Step 4: Simplify right side
    104,843,670.84x = 4,427,783,839,198,314.50
  5. Step 5: Solve for x
    x = 4,427,783,839,198,314.50/104,843,670.84
  6. Step 6: Final answer
    x = 42,232,247.34

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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.