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Finding the Fourth Proportional to 58,053, 80,120.70 and 34,181.88

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Solution

The fourth proportional to 58,053, 80,120.70 and 34,181.88 is: 47,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,053 : 80,120.70 = 34,181.88 : x
  2. Step 2: Convert to fraction form
    58,053/80,120.70 = 34,181.88/x
  3. Step 3: Cross multiply
    58,053x = 80,120.70 × 34,181.88
  4. Step 4: Simplify right side
    58,053x = 2,738,676,152.92
  5. Step 5: Solve for x
    x = 2,738,676,152.92/58,053
  6. Step 6: Final answer
    x = 47,175.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.