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Finding the Fourth Proportional to 79,810.08, 110,132.80 and 43,998.12

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Solution

The fourth proportional to 79,810.08, 110,132.80 and 43,998.12 is: 60,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,810.08 : 110,132.80 = 43,998.12 : x
  2. Step 2: Convert to fraction form
    79,810.08/110,132.80 = 43,998.12/x
  3. Step 3: Cross multiply
    79,810.08x = 110,132.80 × 43,998.12
  4. Step 4: Simplify right side
    79,810.08x = 4,845,636,150.34
  5. Step 5: Solve for x
    x = 4,845,636,150.34/79,810.08
  6. Step 6: Final answer
    x = 60,714.59

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1.5x scale

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.