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Finding the Fourth Proportional to 69,076.60, 103,110.61 and 59,278.84

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Solution

The fourth proportional to 69,076.60, 103,110.61 and 59,278.84 is: 88,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,076.60 : 103,110.61 = 59,278.84 : x
  2. Step 2: Convert to fraction form
    69,076.60/103,110.61 = 59,278.84/x
  3. Step 3: Cross multiply
    69,076.60x = 103,110.61 × 59,278.84
  4. Step 4: Simplify right side
    69,076.60x = 6,112,277,352.49
  5. Step 5: Solve for x
    x = 6,112,277,352.49/69,076.60
  6. Step 6: Final answer
    x = 88,485.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.