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Finding the Fourth Proportional to 79,830.48, 110,159.84 and 44,020.32

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Solution

The fourth proportional to 79,830.48, 110,159.84 and 44,020.32 is: 60,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.48 : 110,159.84 = 44,020.32 : x
  2. Step 2: Convert to fraction form
    79,830.48/110,159.84 = 44,020.32/x
  3. Step 3: Cross multiply
    79,830.48x = 110,159.84 × 44,020.32
  4. Step 4: Simplify right side
    79,830.48x = 4,849,271,407.95
  5. Step 5: Solve for x
    x = 4,849,271,407.95/79,830.48
  6. Step 6: Final answer
    x = 60,744.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.