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Finding the Fourth Proportional to 177,612.84, 245,093.96 and 101,139.77

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Solution

The fourth proportional to 177,612.84, 245,093.96 and 101,139.77 is: 139,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,612.84 : 245,093.96 = 101,139.77 : x
  2. Step 2: Convert to fraction form
    177,612.84/245,093.96 = 101,139.77/x
  3. Step 3: Cross multiply
    177,612.84x = 245,093.96 × 101,139.77
  4. Step 4: Simplify right side
    177,612.84x = 24,788,747,608.37
  5. Step 5: Solve for x
    x = 24,788,747,608.37/177,612.84
  6. Step 6: Final answer
    x = 139,566.19

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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.