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Finding the Fourth Proportional to 88,810.55, 122,552.68 and 50,574

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Solution

The fourth proportional to 88,810.55, 122,552.68 and 50,574 is: 69,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,810.55 : 122,552.68 = 50,574 : x
  2. Step 2: Convert to fraction form
    88,810.55/122,552.68 = 50,574/x
  3. Step 3: Cross multiply
    88,810.55x = 122,552.68 × 50,574
  4. Step 4: Simplify right side
    88,810.55x = 6,197,979,238.32
  5. Step 5: Solve for x
    x = 6,197,979,238.32/88,810.55
  6. Step 6: Final answer
    x = 69,788.77

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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.