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Finding the Fourth Proportional to 59,205.60, 88,905.60 and 39,571.20

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Solution

The fourth proportional to 59,205.60, 88,905.60 and 39,571.20 is: 59,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,205.60 : 88,905.60 = 39,571.20 : x
  2. Step 2: Convert to fraction form
    59,205.60/88,905.60 = 39,571.20/x
  3. Step 3: Cross multiply
    59,205.60x = 88,905.60 × 39,571.20
  4. Step 4: Simplify right side
    59,205.60x = 3,518,101,278.72
  5. Step 5: Solve for x
    x = 3,518,101,278.72/59,205.60
  6. Step 6: Final answer
    x = 59,421.77

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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.