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Finding the Fourth Proportional to 88,885.83, 122,637.70 and 53,062.77

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Solution

The fourth proportional to 88,885.83, 122,637.70 and 53,062.77 is: 73,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,885.83 : 122,637.70 = 53,062.77 : x
  2. Step 2: Convert to fraction form
    88,885.83/122,637.70 = 53,062.77/x
  3. Step 3: Cross multiply
    88,885.83x = 122,637.70 × 53,062.77
  4. Step 4: Simplify right side
    88,885.83x = 6,507,495,951.25
  5. Step 5: Solve for x
    x = 6,507,495,951.25/88,885.83
  6. Step 6: Final answer
    x = 73,211.85

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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.