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Finding the Fourth Proportional to 88,415.52, 122,029.22 and 56,583.32

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Solution

The fourth proportional to 88,415.52, 122,029.22 and 56,583.32 is: 78,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,415.52 : 122,029.22 = 56,583.32 : x
  2. Step 2: Convert to fraction form
    88,415.52/122,029.22 = 56,583.32/x
  3. Step 3: Cross multiply
    88,415.52x = 122,029.22 × 56,583.32
  4. Step 4: Simplify right side
    88,415.52x = 6,904,818,404.61
  5. Step 5: Solve for x
    x = 6,904,818,404.61/88,415.52
  6. Step 6: Final answer
    x = 78,095.09

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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.