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Finding the Fourth Proportional to 201,320.50, 301,980.81 and 59,165.77

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Solution

The fourth proportional to 201,320.50, 301,980.81 and 59,165.77 is: 88,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,320.50 : 301,980.81 = 59,165.77 : x
  2. Step 2: Convert to fraction form
    201,320.50/301,980.81 = 59,165.77/x
  3. Step 3: Cross multiply
    201,320.50x = 301,980.81 × 59,165.77
  4. Step 4: Simplify right side
    201,320.50x = 17,866,926,932.40
  5. Step 5: Solve for x
    x = 17,866,926,932.40/201,320.50
  6. Step 6: Final answer
    x = 88,748.67

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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.