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Finding the Fourth Proportional to 88,616.66, 122,260.11 and 56,803.10

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Solution

The fourth proportional to 88,616.66, 122,260.11 and 56,803.10 is: 78,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,616.66 : 122,260.11 = 56,803.10 : x
  2. Step 2: Convert to fraction form
    88,616.66/122,260.11 = 56,803.10/x
  3. Step 3: Cross multiply
    88,616.66x = 122,260.11 × 56,803.10
  4. Step 4: Simplify right side
    88,616.66x = 6,944,753,254.34
  5. Step 5: Solve for x
    x = 6,944,753,254.34/88,616.66
  6. Step 6: Final answer
    x = 78,368.48

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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.