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Finding the Fourth Proportional to 165,859.20, 248,740.20 and 59,230.80

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Solution

The fourth proportional to 165,859.20, 248,740.20 and 59,230.80 is: 88,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,859.20 : 248,740.20 = 59,230.80 : x
  2. Step 2: Convert to fraction form
    165,859.20/248,740.20 = 59,230.80/x
  3. Step 3: Cross multiply
    165,859.20x = 248,740.20 × 59,230.80
  4. Step 4: Simplify right side
    165,859.20x = 14,733,081,038.16
  5. Step 5: Solve for x
    x = 14,733,081,038.16/165,859.20
  6. Step 6: Final answer
    x = 88,828.84

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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.