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Finding the Fourth Proportional to 88,093.80, 121,527.90 and 50,346

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Solution

The fourth proportional to 88,093.80, 121,527.90 and 50,346 is: 69,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.80 : 121,527.90 = 50,346 : x
  2. Step 2: Convert to fraction form
    88,093.80/121,527.90 = 50,346/x
  3. Step 3: Cross multiply
    88,093.80x = 121,527.90 × 50,346
  4. Step 4: Simplify right side
    88,093.80x = 6,118,443,653.40
  5. Step 5: Solve for x
    x = 6,118,443,653.40/88,093.80
  6. Step 6: Final answer
    x = 69,453.74

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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.