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Finding the Fourth Proportional to 88,462.80, 122,070.63 and 52,647.03

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Solution

The fourth proportional to 88,462.80, 122,070.63 and 52,647.03 is: 72,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,462.80 : 122,070.63 = 52,647.03 : x
  2. Step 2: Convert to fraction form
    88,462.80/122,070.63 = 52,647.03/x
  3. Step 3: Cross multiply
    88,462.80x = 122,070.63 × 52,647.03
  4. Step 4: Simplify right side
    88,462.80x = 6,426,656,119.73
  5. Step 5: Solve for x
    x = 6,426,656,119.73/88,462.80
  6. Step 6: Final answer
    x = 72,648.12

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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.