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Finding the Fourth Proportional to 169,127.76, 253,671.44 and 44,478.48

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Solution

The fourth proportional to 169,127.76, 253,671.44 and 44,478.48 is: 66,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,127.76 : 253,671.44 = 44,478.48 : x
  2. Step 2: Convert to fraction form
    169,127.76/253,671.44 = 44,478.48/x
  3. Step 3: Cross multiply
    169,127.76x = 253,671.44 × 44,478.48
  4. Step 4: Simplify right side
    169,127.76x = 11,282,920,070.61
  5. Step 5: Solve for x
    x = 11,282,920,070.61/169,127.76
  6. Step 6: Final answer
    x = 66,712.41

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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.