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Finding the Fourth Proportional to 88,663.69, 122,337.97 and 56,411.11

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Solution

The fourth proportional to 88,663.69, 122,337.97 and 56,411.11 is: 77,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,663.69 : 122,337.97 = 56,411.11 : x
  2. Step 2: Convert to fraction form
    88,663.69/122,337.97 = 56,411.11/x
  3. Step 3: Cross multiply
    88,663.69x = 122,337.97 × 56,411.11
  4. Step 4: Simplify right side
    88,663.69x = 6,901,220,682.85
  5. Step 5: Solve for x
    x = 6,901,220,682.85/88,663.69
  6. Step 6: Final answer
    x = 77,835.93

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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.