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Finding the Fourth Proportional to 88,646.63, 122,332.35 and 50,920.88

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Solution

The fourth proportional to 88,646.63, 122,332.35 and 50,920.88 is: 70,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.63 : 122,332.35 = 50,920.88 : x
  2. Step 2: Convert to fraction form
    88,646.63/122,332.35 = 50,920.88/x
  3. Step 3: Cross multiply
    88,646.63x = 122,332.35 × 50,920.88
  4. Step 4: Simplify right side
    88,646.63x = 6,229,270,914.47
  5. Step 5: Solve for x
    x = 6,229,270,914.47/88,646.63
  6. Step 6: Final answer
    x = 70,270.81

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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.