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Finding the Fourth Proportional to 59,009.60, 88,456.80 and 52,788.80

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Solution

The fourth proportional to 59,009.60, 88,456.80 and 52,788.80 is: 79,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,009.60 : 88,456.80 = 52,788.80 : x
  2. Step 2: Convert to fraction form
    59,009.60/88,456.80 = 52,788.80/x
  3. Step 3: Cross multiply
    59,009.60x = 88,456.80 × 52,788.80
  4. Step 4: Simplify right side
    59,009.60x = 4,669,528,323.84
  5. Step 5: Solve for x
    x = 4,669,528,323.84/59,009.60
  6. Step 6: Final answer
    x = 79,131.67

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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.