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Finding the Fourth Proportional to 88,952.55, 122,798.94 and 51,219.51

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Solution

The fourth proportional to 88,952.55, 122,798.94 and 51,219.51 is: 70,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,952.55 : 122,798.94 = 51,219.51 : x
  2. Step 2: Convert to fraction form
    88,952.55/122,798.94 = 51,219.51/x
  3. Step 3: Cross multiply
    88,952.55x = 122,798.94 × 51,219.51
  4. Step 4: Simplify right side
    88,952.55x = 6,289,701,535.32
  5. Step 5: Solve for x
    x = 6,289,701,535.32/88,952.55
  6. Step 6: Final answer
    x = 70,708.50

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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.