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Finding the Fourth Proportional to 88,607.86, 122,281.91 and 50,369.01

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Solution

The fourth proportional to 88,607.86, 122,281.91 and 50,369.01 is: 69,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,607.86 : 122,281.91 = 50,369.01 : x
  2. Step 2: Convert to fraction form
    88,607.86/122,281.91 = 50,369.01/x
  3. Step 3: Cross multiply
    88,607.86x = 122,281.91 × 50,369.01
  4. Step 4: Simplify right side
    88,607.86x = 6,159,218,226.09
  5. Step 5: Solve for x
    x = 6,159,218,226.09/88,607.86
  6. Step 6: Final answer
    x = 69,510.97

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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.