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Finding the Fourth Proportional to 130,041.60, 195,004.80 and 59,884.80

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Solution

The fourth proportional to 130,041.60, 195,004.80 and 59,884.80 is: 89,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.60 : 195,004.80 = 59,884.80 : x
  2. Step 2: Convert to fraction form
    130,041.60/195,004.80 = 59,884.80/x
  3. Step 3: Cross multiply
    130,041.60x = 195,004.80 × 59,884.80
  4. Step 4: Simplify right side
    130,041.60x = 11,677,823,447.04
  5. Step 5: Solve for x
    x = 11,677,823,447.04/130,041.60
  6. Step 6: Final answer
    x = 89,800.67

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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.