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Finding the Fourth Proportional to 79,798.08, 110,116.35 and 43,988.40

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Solution

The fourth proportional to 79,798.08, 110,116.35 and 43,988.40 is: 60,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798.08 : 110,116.35 = 43,988.40 : x
  2. Step 2: Convert to fraction form
    79,798.08/110,116.35 = 43,988.40/x
  3. Step 3: Cross multiply
    79,798.08x = 110,116.35 × 43,988.40
  4. Step 4: Simplify right side
    79,798.08x = 4,843,842,050.34
  5. Step 5: Solve for x
    x = 4,843,842,050.34/79,798.08
  6. Step 6: Final answer
    x = 60,701.24

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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.