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Finding the Fourth Proportional to 98,529.80, 147,708.30 and 59,102.60

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Solution

The fourth proportional to 98,529.80, 147,708.30 and 59,102.60 is: 88,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,529.80 : 147,708.30 = 59,102.60 : x
  2. Step 2: Convert to fraction form
    98,529.80/147,708.30 = 59,102.60/x
  3. Step 3: Cross multiply
    98,529.80x = 147,708.30 × 59,102.60
  4. Step 4: Simplify right side
    98,529.80x = 8,729,944,571.58
  5. Step 5: Solve for x
    x = 8,729,944,571.58/98,529.80
  6. Step 6: Final answer
    x = 88,602.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.