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Finding the Fourth Proportional to 59,011.60, 88,459.80 and 52,790.80

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Solution

The fourth proportional to 59,011.60, 88,459.80 and 52,790.80 is: 79,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,011.60 : 88,459.80 = 52,790.80 : x
  2. Step 2: Convert to fraction form
    59,011.60/88,459.80 = 52,790.80/x
  3. Step 3: Cross multiply
    59,011.60x = 88,459.80 × 52,790.80
  4. Step 4: Simplify right side
    59,011.60x = 4,669,863,609.84
  5. Step 5: Solve for x
    x = 4,669,863,609.84/59,011.60
  6. Step 6: Final answer
    x = 79,134.67

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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.