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Finding the Fourth Proportional to 79,798.02, 110,120.72 and 43,988.06

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Solution

The fourth proportional to 79,798.02, 110,120.72 and 43,988.06 is: 60,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798.02 : 110,120.72 = 43,988.06 : x
  2. Step 2: Convert to fraction form
    79,798.02/110,120.72 = 43,988.06/x
  3. Step 3: Cross multiply
    79,798.02x = 110,120.72 × 43,988.06
  4. Step 4: Simplify right side
    79,798.02x = 4,843,996,838.60
  5. Step 5: Solve for x
    x = 4,843,996,838.60/79,798.02
  6. Step 6: Final answer
    x = 60,703.22

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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.