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Finding the Fourth Proportional to 88,876.86, 122,651.49 and 53,070

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Solution

The fourth proportional to 88,876.86, 122,651.49 and 53,070 is: 73,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,876.86 : 122,651.49 = 53,070 : x
  2. Step 2: Convert to fraction form
    88,876.86/122,651.49 = 53,070/x
  3. Step 3: Cross multiply
    88,876.86x = 122,651.49 × 53,070
  4. Step 4: Simplify right side
    88,876.86x = 6,509,114,574.30
  5. Step 5: Solve for x
    x = 6,509,114,574.30/88,876.86
  6. Step 6: Final answer
    x = 73,237.45

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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.