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Finding the Fourth Proportional to 88,341.69, 121,871.31 and 52,511.34

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Solution

The fourth proportional to 88,341.69, 121,871.31 and 52,511.34 is: 72,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,341.69 : 121,871.31 = 52,511.34 : x
  2. Step 2: Convert to fraction form
    88,341.69/121,871.31 = 52,511.34/x
  3. Step 3: Cross multiply
    88,341.69x = 121,871.31 × 52,511.34
  4. Step 4: Simplify right side
    88,341.69x = 6,399,625,795.66
  5. Step 5: Solve for x
    x = 6,399,625,795.66/88,341.69
  6. Step 6: Final answer
    x = 72,441.74

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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.