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Finding the Fourth Proportional to 64,364.84, 88,805.48 and 50,710.50

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Solution

The fourth proportional to 64,364.84, 88,805.48 and 50,710.50 is: 69,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.84 : 88,805.48 = 50,710.50 : x
  2. Step 2: Convert to fraction form
    64,364.84/88,805.48 = 50,710.50/x
  3. Step 3: Cross multiply
    64,364.84x = 88,805.48 × 50,710.50
  4. Step 4: Simplify right side
    64,364.84x = 4,503,370,293.54
  5. Step 5: Solve for x
    x = 4,503,370,293.54/64,364.84
  6. Step 6: Final answer
    x = 69,966.31

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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.