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Finding the Fourth Proportional to 88,353.71, 121,919.01 and 52,536.80

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Solution

The fourth proportional to 88,353.71, 121,919.01 and 52,536.80 is: 72,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,353.71 : 121,919.01 = 52,536.80 : x
  2. Step 2: Convert to fraction form
    88,353.71/121,919.01 = 52,536.80/x
  3. Step 3: Cross multiply
    88,353.71x = 121,919.01 × 52,536.80
  4. Step 4: Simplify right side
    88,353.71x = 6,405,234,034.97
  5. Step 5: Solve for x
    x = 6,405,234,034.97/88,353.71
  6. Step 6: Final answer
    x = 72,495.36

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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.